Home / 38,475.90-57,706.56-13,510.08

Finding the Fourth Proportional to 38,475.90, 57,706.56 and 13,510.08

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Solution

The fourth proportional to 38,475.90, 57,706.56 and 13,510.08 is: 20,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.90 : 57,706.56 = 13,510.08 : x
  2. Step 2: Convert to fraction form
    38,475.90/57,706.56 = 13,510.08/x
  3. Step 3: Cross multiply
    38,475.90x = 57,706.56 × 13,510.08
  4. Step 4: Simplify right side
    38,475.90x = 779,620,242.12
  5. Step 5: Solve for x
    x = 779,620,242.12/38,475.90
  6. Step 6: Final answer
    x = 20,262.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.