Home / 39,865.50-59,803.92-13,563.18

Finding the Fourth Proportional to 39,865.50, 59,803.92 and 13,563.18

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Solution

The fourth proportional to 39,865.50, 59,803.92 and 13,563.18 is: 20,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.50 : 59,803.92 = 13,563.18 : x
  2. Step 2: Convert to fraction form
    39,865.50/59,803.92 = 13,563.18/x
  3. Step 3: Cross multiply
    39,865.50x = 59,803.92 × 13,563.18
  4. Step 4: Simplify right side
    39,865.50x = 811,131,331.67
  5. Step 5: Solve for x
    x = 811,131,331.67/39,865.50
  6. Step 6: Final answer
    x = 20,346.70

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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.