Home / 42,695.11-64,045.74-16,399.87

Finding the Fourth Proportional to 42,695.11, 64,045.74 and 16,399.87

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Solution

The fourth proportional to 42,695.11, 64,045.74 and 16,399.87 is: 24,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,695.11 : 64,045.74 = 16,399.87 : x
  2. Step 2: Convert to fraction form
    42,695.11/64,045.74 = 16,399.87/x
  3. Step 3: Cross multiply
    42,695.11x = 64,045.74 × 16,399.87
  4. Step 4: Simplify right side
    42,695.11x = 1,050,341,810.05
  5. Step 5: Solve for x
    x = 1,050,341,810.05/42,695.11
  6. Step 6: Final answer
    x = 24,600.99

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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.