Home / 52,120.24-71,925.75-28,247.50

Finding the Fourth Proportional to 52,120.24, 71,925.75 and 28,247.50

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Solution

The fourth proportional to 52,120.24, 71,925.75 and 28,247.50 is: 38,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.24 : 71,925.75 = 28,247.50 : x
  2. Step 2: Convert to fraction form
    52,120.24/71,925.75 = 28,247.50/x
  3. Step 3: Cross multiply
    52,120.24x = 71,925.75 × 28,247.50
  4. Step 4: Simplify right side
    52,120.24x = 2,031,722,623.13
  5. Step 5: Solve for x
    x = 2,031,722,623.13/52,120.24
  6. Step 6: Final answer
    x = 38,981.45

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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.