Home / 38,916.18-58,287.93-31,772.90

Finding the Fourth Proportional to 38,916.18, 58,287.93 and 31,772.90

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Solution

The fourth proportional to 38,916.18, 58,287.93 and 31,772.90 is: 47,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.18 : 58,287.93 = 31,772.90 : x
  2. Step 2: Convert to fraction form
    38,916.18/58,287.93 = 31,772.90/x
  3. Step 3: Cross multiply
    38,916.18x = 58,287.93 × 31,772.90
  4. Step 4: Simplify right side
    38,916.18x = 1,851,976,571.10
  5. Step 5: Solve for x
    x = 1,851,976,571.10/38,916.18
  6. Step 6: Final answer
    x = 47,588.86

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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.