Home / 60,900.24-84,000.63-39,708.21

Finding the Fourth Proportional to 60,900.24, 84,000.63 and 39,708.21

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Solution

The fourth proportional to 60,900.24, 84,000.63 and 39,708.21 is: 54,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,900.24 : 84,000.63 = 39,708.21 : x
  2. Step 2: Convert to fraction form
    60,900.24/84,000.63 = 39,708.21/x
  3. Step 3: Cross multiply
    60,900.24x = 84,000.63 × 39,708.21
  4. Step 4: Simplify right side
    60,900.24x = 3,335,514,656.17
  5. Step 5: Solve for x
    x = 3,335,514,656.17/60,900.24
  6. Step 6: Final answer
    x = 54,770.14

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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.