Home / 42,807.20-64,205.94-16,509.74

Finding the Fourth Proportional to 42,807.20, 64,205.94 and 16,509.74

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Solution

The fourth proportional to 42,807.20, 64,205.94 and 16,509.74 is: 24,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,807.20 : 64,205.94 = 16,509.74 : x
  2. Step 2: Convert to fraction form
    42,807.20/64,205.94 = 16,509.74/x
  3. Step 3: Cross multiply
    42,807.20x = 64,205.94 × 16,509.74
  4. Step 4: Simplify right side
    42,807.20x = 1,060,023,375.86
  5. Step 5: Solve for x
    x = 1,060,023,375.86/42,807.20
  6. Step 6: Final answer
    x = 24,762.74

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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.