Home / 39,517.80-59,300.28-14,215.20

Finding the Fourth Proportional to 39,517.80, 59,300.28 and 14,215.20

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Solution

The fourth proportional to 39,517.80, 59,300.28 and 14,215.20 is: 21,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.80 : 59,300.28 = 14,215.20 : x
  2. Step 2: Convert to fraction form
    39,517.80/59,300.28 = 14,215.20/x
  3. Step 3: Cross multiply
    39,517.80x = 59,300.28 × 14,215.20
  4. Step 4: Simplify right side
    39,517.80x = 842,965,340.26
  5. Step 5: Solve for x
    x = 842,965,340.26/39,517.80
  6. Step 6: Final answer
    x = 21,331.28

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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.