Home / 61,549.95-84,882.55-40,340.91

Finding the Fourth Proportional to 61,549.95, 84,882.55 and 40,340.91

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Solution

The fourth proportional to 61,549.95, 84,882.55 and 40,340.91 is: 55,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.95 : 84,882.55 = 40,340.91 : x
  2. Step 2: Convert to fraction form
    61,549.95/84,882.55 = 40,340.91/x
  3. Step 3: Cross multiply
    61,549.95x = 84,882.55 × 40,340.91
  4. Step 4: Simplify right side
    61,549.95x = 3,424,239,209.27
  5. Step 5: Solve for x
    x = 3,424,239,209.27/61,549.95
  6. Step 6: Final answer
    x = 55,633.50

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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.