Home / 39,511.80-59,291.28-14,209.20

Finding the Fourth Proportional to 39,511.80, 59,291.28 and 14,209.20

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Solution

The fourth proportional to 39,511.80, 59,291.28 and 14,209.20 is: 21,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.80 : 59,291.28 = 14,209.20 : x
  2. Step 2: Convert to fraction form
    39,511.80/59,291.28 = 14,209.20/x
  3. Step 3: Cross multiply
    39,511.80x = 59,291.28 × 14,209.20
  4. Step 4: Simplify right side
    39,511.80x = 842,481,655.78
  5. Step 5: Solve for x
    x = 842,481,655.78/39,511.80
  6. Step 6: Final answer
    x = 21,322.28

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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.