Home / 38,707.71-57,740.16-37,411.98

Finding the Fourth Proportional to 38,707.71, 57,740.16 and 37,411.98

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Solution

The fourth proportional to 38,707.71, 57,740.16 and 37,411.98 is: 55,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.71 : 57,740.16 = 37,411.98 : x
  2. Step 2: Convert to fraction form
    38,707.71/57,740.16 = 37,411.98/x
  3. Step 3: Cross multiply
    38,707.71x = 57,740.16 × 37,411.98
  4. Step 4: Simplify right side
    38,707.71x = 2,160,173,711.12
  5. Step 5: Solve for x
    x = 2,160,173,711.12/38,707.71
  6. Step 6: Final answer
    x = 55,807.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.