Home / 47,177.28-70,754.58-13,888.30

Finding the Fourth Proportional to 47,177.28, 70,754.58 and 13,888.30

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Solution

The fourth proportional to 47,177.28, 70,754.58 and 13,888.30 is: 20,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177.28 : 70,754.58 = 13,888.30 : x
  2. Step 2: Convert to fraction form
    47,177.28/70,754.58 = 13,888.30/x
  3. Step 3: Cross multiply
    47,177.28x = 70,754.58 × 13,888.30
  4. Step 4: Simplify right side
    47,177.28x = 982,660,833.41
  5. Step 5: Solve for x
    x = 982,660,833.41/47,177.28
  6. Step 6: Final answer
    x = 20,829.11

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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.