Home / 34,151.12-47,132.36-20,015.92

Finding the Fourth Proportional to 34,151.12, 47,132.36 and 20,015.92

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Solution

The fourth proportional to 34,151.12, 47,132.36 and 20,015.92 is: 27,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.12 : 47,132.36 = 20,015.92 : x
  2. Step 2: Convert to fraction form
    34,151.12/47,132.36 = 20,015.92/x
  3. Step 3: Cross multiply
    34,151.12x = 47,132.36 × 20,015.92
  4. Step 4: Simplify right side
    34,151.12x = 943,397,547.17
  5. Step 5: Solve for x
    x = 943,397,547.17/34,151.12
  6. Step 6: Final answer
    x = 27,624.21

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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.