Home / 47,261.20-70,891.80-38,513.20

Finding the Fourth Proportional to 47,261.20, 70,891.80 and 38,513.20

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Solution

The fourth proportional to 47,261.20, 70,891.80 and 38,513.20 is: 57,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261.20 : 70,891.80 = 38,513.20 : x
  2. Step 2: Convert to fraction form
    47,261.20/70,891.80 = 38,513.20/x
  3. Step 3: Cross multiply
    47,261.20x = 70,891.80 × 38,513.20
  4. Step 4: Simplify right side
    47,261.20x = 2,730,270,071.76
  5. Step 5: Solve for x
    x = 2,730,270,071.76/47,261.20
  6. Step 6: Final answer
    x = 57,769.80

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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.