Home / 42,689.04-64,049.40-16,397.52

Finding the Fourth Proportional to 42,689.04, 64,049.40 and 16,397.52

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Solution

The fourth proportional to 42,689.04, 64,049.40 and 16,397.52 is: 24,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.04 : 64,049.40 = 16,397.52 : x
  2. Step 2: Convert to fraction form
    42,689.04/64,049.40 = 16,397.52/x
  3. Step 3: Cross multiply
    42,689.04x = 64,049.40 × 16,397.52
  4. Step 4: Simplify right side
    42,689.04x = 1,050,251,317.49
  5. Step 5: Solve for x
    x = 1,050,251,317.49/42,689.04
  6. Step 6: Final answer
    x = 24,602.36

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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.