Home / 43,418.24-65,026.08-31,702.40

Finding the Fourth Proportional to 43,418.24, 65,026.08 and 31,702.40

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Solution

The fourth proportional to 43,418.24, 65,026.08 and 31,702.40 is: 47,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.24 : 65,026.08 = 31,702.40 : x
  2. Step 2: Convert to fraction form
    43,418.24/65,026.08 = 31,702.40/x
  3. Step 3: Cross multiply
    43,418.24x = 65,026.08 × 31,702.40
  4. Step 4: Simplify right side
    43,418.24x = 2,061,482,798.59
  5. Step 5: Solve for x
    x = 2,061,482,798.59/43,418.24
  6. Step 6: Final answer
    x = 47,479.65

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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.