Home / 39,385.80-59,073.12-11,308.32

Finding the Fourth Proportional to 39,385.80, 59,073.12 and 11,308.32

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Solution

The fourth proportional to 39,385.80, 59,073.12 and 11,308.32 is: 16,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.80 : 59,073.12 = 11,308.32 : x
  2. Step 2: Convert to fraction form
    39,385.80/59,073.12 = 11,308.32/x
  3. Step 3: Cross multiply
    39,385.80x = 59,073.12 × 11,308.32
  4. Step 4: Simplify right side
    39,385.80x = 668,017,744.36
  5. Step 5: Solve for x
    x = 668,017,744.36/39,385.80
  6. Step 6: Final answer
    x = 16,960.88

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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.