Home / 42,695.04-64,045.64-16,399.78

Finding the Fourth Proportional to 42,695.04, 64,045.64 and 16,399.78

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Solution

The fourth proportional to 42,695.04, 64,045.64 and 16,399.78 is: 24,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,695.04 : 64,045.64 = 16,399.78 : x
  2. Step 2: Convert to fraction form
    42,695.04/64,045.64 = 16,399.78/x
  3. Step 3: Cross multiply
    42,695.04x = 64,045.64 × 16,399.78
  4. Step 4: Simplify right side
    42,695.04x = 1,050,334,405.96
  5. Step 5: Solve for x
    x = 1,050,334,405.96/42,695.04
  6. Step 6: Final answer
    x = 24,600.85

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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.