Home / 50,225.70-69,312.75-28,420.23

Finding the Fourth Proportional to 50,225.70, 69,312.75 and 28,420.23

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Solution

The fourth proportional to 50,225.70, 69,312.75 and 28,420.23 is: 39,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,225.70 : 69,312.75 = 28,420.23 : x
  2. Step 2: Convert to fraction form
    50,225.70/69,312.75 = 28,420.23/x
  3. Step 3: Cross multiply
    50,225.70x = 69,312.75 × 28,420.23
  4. Step 4: Simplify right side
    50,225.70x = 1,969,884,296.93
  5. Step 5: Solve for x
    x = 1,969,884,296.93/50,225.70
  6. Step 6: Final answer
    x = 39,220.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.