Home / 38,475.20-53,117.87-29,328.75

Finding the Fourth Proportional to 38,475.20, 53,117.87 and 29,328.75

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Solution

The fourth proportional to 38,475.20, 53,117.87 and 29,328.75 is: 40,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.20 : 53,117.87 = 29,328.75 : x
  2. Step 2: Convert to fraction form
    38,475.20/53,117.87 = 29,328.75/x
  3. Step 3: Cross multiply
    38,475.20x = 53,117.87 × 29,328.75
  4. Step 4: Simplify right side
    38,475.20x = 1,557,880,583.12
  5. Step 5: Solve for x
    x = 1,557,880,583.12/38,475.20
  6. Step 6: Final answer
    x = 40,490.52

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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.