Home / 61,315.38-84,615.98-37,438.74

Finding the Fourth Proportional to 61,315.38, 84,615.98 and 37,438.74

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Solution

The fourth proportional to 61,315.38, 84,615.98 and 37,438.74 is: 51,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,315.38 : 84,615.98 = 37,438.74 : x
  2. Step 2: Convert to fraction form
    61,315.38/84,615.98 = 37,438.74/x
  3. Step 3: Cross multiply
    61,315.38x = 84,615.98 × 37,438.74
  4. Step 4: Simplify right side
    61,315.38x = 3,167,915,487.87
  5. Step 5: Solve for x
    x = 3,167,915,487.87/61,315.38
  6. Step 6: Final answer
    x = 51,665.92

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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.