Home / 31,134.96-46,702.32-18,658.74

Finding the Fourth Proportional to 31,134.96, 46,702.32 and 18,658.74

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Solution

The fourth proportional to 31,134.96, 46,702.32 and 18,658.74 is: 27,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134.96 : 46,702.32 = 18,658.74 : x
  2. Step 2: Convert to fraction form
    31,134.96/46,702.32 = 18,658.74/x
  3. Step 3: Cross multiply
    31,134.96x = 46,702.32 × 18,658.74
  4. Step 4: Simplify right side
    31,134.96x = 871,406,446.28
  5. Step 5: Solve for x
    x = 871,406,446.28/31,134.96
  6. Step 6: Final answer
    x = 27,988.04

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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.