Home / 42,909.32-64,331.04-16,254.92

Finding the Fourth Proportional to 42,909.32, 64,331.04 and 16,254.92

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Solution

The fourth proportional to 42,909.32, 64,331.04 and 16,254.92 is: 24,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,909.32 : 64,331.04 = 16,254.92 : x
  2. Step 2: Convert to fraction form
    42,909.32/64,331.04 = 16,254.92/x
  3. Step 3: Cross multiply
    42,909.32x = 64,331.04 × 16,254.92
  4. Step 4: Simplify right side
    42,909.32x = 1,045,695,908.72
  5. Step 5: Solve for x
    x = 1,045,695,908.72/42,909.32
  6. Step 6: Final answer
    x = 24,369.90

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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.