Home / 42,757.57-64,117.88-16,443.84

Finding the Fourth Proportional to 42,757.57, 64,117.88 and 16,443.84

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Solution

The fourth proportional to 42,757.57, 64,117.88 and 16,443.84 is: 24,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,757.57 : 64,117.88 = 16,443.84 : x
  2. Step 2: Convert to fraction form
    42,757.57/64,117.88 = 16,443.84/x
  3. Step 3: Cross multiply
    42,757.57x = 64,117.88 × 16,443.84
  4. Step 4: Simplify right side
    42,757.57x = 1,054,344,379.75
  5. Step 5: Solve for x
    x = 1,054,344,379.75/42,757.57
  6. Step 6: Final answer
    x = 24,658.66

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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.