Home / 45,187.88-62,338.18-28,430.12

Finding the Fourth Proportional to 45,187.88, 62,338.18 and 28,430.12

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Solution

The fourth proportional to 45,187.88, 62,338.18 and 28,430.12 is: 39,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.88 : 62,338.18 = 28,430.12 : x
  2. Step 2: Convert to fraction form
    45,187.88/62,338.18 = 28,430.12/x
  3. Step 3: Cross multiply
    45,187.88x = 62,338.18 × 28,430.12
  4. Step 4: Simplify right side
    45,187.88x = 1,772,281,937.98
  5. Step 5: Solve for x
    x = 1,772,281,937.98/45,187.88
  6. Step 6: Final answer
    x = 39,220.29

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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.