Home / 60,998.43-91,502.33-21,000.99

Finding the Fourth Proportional to 60,998.43, 91,502.33 and 21,000.99

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Solution

The fourth proportional to 60,998.43, 91,502.33 and 21,000.99 is: 31,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,998.43 : 91,502.33 = 21,000.99 : x
  2. Step 2: Convert to fraction form
    60,998.43/91,502.33 = 21,000.99/x
  3. Step 3: Cross multiply
    60,998.43x = 91,502.33 × 21,000.99
  4. Step 4: Simplify right side
    60,998.43x = 1,921,639,412.30
  5. Step 5: Solve for x
    x = 1,921,639,412.30/60,998.43
  6. Step 6: Final answer
    x = 31,503.10

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1.5x scale

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.