Home / 34,068.52-51,122.22-13,287.16

Finding the Fourth Proportional to 34,068.52, 51,122.22 and 13,287.16

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Solution

The fourth proportional to 34,068.52, 51,122.22 and 13,287.16 is: 19,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068.52 : 51,122.22 = 13,287.16 : x
  2. Step 2: Convert to fraction form
    34,068.52/51,122.22 = 13,287.16/x
  3. Step 3: Cross multiply
    34,068.52x = 51,122.22 × 13,287.16
  4. Step 4: Simplify right side
    34,068.52x = 679,269,116.70
  5. Step 5: Solve for x
    x = 679,269,116.70/34,068.52
  6. Step 6: Final answer
    x = 19,938.32

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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.