Home / 42,292.72-63,440.11-14,213.18

Finding the Fourth Proportional to 42,292.72, 63,440.11 and 14,213.18

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Solution

The fourth proportional to 42,292.72, 63,440.11 and 14,213.18 is: 21,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,292.72 : 63,440.11 = 14,213.18 : x
  2. Step 2: Convert to fraction form
    42,292.72/63,440.11 = 14,213.18/x
  3. Step 3: Cross multiply
    42,292.72x = 63,440.11 × 14,213.18
  4. Step 4: Simplify right side
    42,292.72x = 901,685,702.65
  5. Step 5: Solve for x
    x = 901,685,702.65/42,292.72
  6. Step 6: Final answer
    x = 21,320.12

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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.