Home / 47,258.17-70,901.10-13,979.12

Finding the Fourth Proportional to 47,258.17, 70,901.10 and 13,979.12

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Solution

The fourth proportional to 47,258.17, 70,901.10 and 13,979.12 is: 20,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258.17 : 70,901.10 = 13,979.12 : x
  2. Step 2: Convert to fraction form
    47,258.17/70,901.10 = 13,979.12/x
  3. Step 3: Cross multiply
    47,258.17x = 70,901.10 × 13,979.12
  4. Step 4: Simplify right side
    47,258.17x = 991,134,915.14
  5. Step 5: Solve for x
    x = 991,134,915.14/47,258.17
  6. Step 6: Final answer
    x = 20,972.77

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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.