Home / 47,343.97-65,307.12-30,342.16

Finding the Fourth Proportional to 47,343.97, 65,307.12 and 30,342.16

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Solution

The fourth proportional to 47,343.97, 65,307.12 and 30,342.16 is: 41,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,343.97 : 65,307.12 = 30,342.16 : x
  2. Step 2: Convert to fraction form
    47,343.97/65,307.12 = 30,342.16/x
  3. Step 3: Cross multiply
    47,343.97x = 65,307.12 × 30,342.16
  4. Step 4: Simplify right side
    47,343.97x = 1,981,559,084.18
  5. Step 5: Solve for x
    x = 1,981,559,084.18/47,343.97
  6. Step 6: Final answer
    x = 41,854.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.