Home / 37,386.91-51,594-20,391.17

Finding the Fourth Proportional to 37,386.91, 51,594 and 20,391.17

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Solution

The fourth proportional to 37,386.91, 51,594 and 20,391.17 is: 28,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.91 : 51,594 = 20,391.17 : x
  2. Step 2: Convert to fraction form
    37,386.91/51,594 = 20,391.17/x
  3. Step 3: Cross multiply
    37,386.91x = 51,594 × 20,391.17
  4. Step 4: Simplify right side
    37,386.91x = 1,052,062,024.98
  5. Step 5: Solve for x
    x = 1,052,062,024.98/37,386.91
  6. Step 6: Final answer
    x = 28,139.85

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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.