Home / 39,539.80-59,311.86-13,242.16

Finding the Fourth Proportional to 39,539.80, 59,311.86 and 13,242.16

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Solution

The fourth proportional to 39,539.80, 59,311.86 and 13,242.16 is: 19,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.80 : 59,311.86 = 13,242.16 : x
  2. Step 2: Convert to fraction form
    39,539.80/59,311.86 = 13,242.16/x
  3. Step 3: Cross multiply
    39,539.80x = 59,311.86 × 13,242.16
  4. Step 4: Simplify right side
    39,539.80x = 785,417,140.02
  5. Step 5: Solve for x
    x = 785,417,140.02/39,539.80
  6. Step 6: Final answer
    x = 19,863.96

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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.