Home / 30,932.68-42,686.40-17,503.36

Finding the Fourth Proportional to 30,932.68, 42,686.40 and 17,503.36

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Solution

The fourth proportional to 30,932.68, 42,686.40 and 17,503.36 is: 24,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,932.68 : 42,686.40 = 17,503.36 : x
  2. Step 2: Convert to fraction form
    30,932.68/42,686.40 = 17,503.36/x
  3. Step 3: Cross multiply
    30,932.68x = 42,686.40 × 17,503.36
  4. Step 4: Simplify right side
    30,932.68x = 747,155,426.30
  5. Step 5: Solve for x
    x = 747,155,426.30/30,932.68
  6. Step 6: Final answer
    x = 24,154.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.