Home / 47,258.09-70,900.98-13,979.04

Finding the Fourth Proportional to 47,258.09, 70,900.98 and 13,979.04

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Solution

The fourth proportional to 47,258.09, 70,900.98 and 13,979.04 is: 20,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258.09 : 70,900.98 = 13,979.04 : x
  2. Step 2: Convert to fraction form
    47,258.09/70,900.98 = 13,979.04/x
  3. Step 3: Cross multiply
    47,258.09x = 70,900.98 × 13,979.04
  4. Step 4: Simplify right side
    47,258.09x = 991,127,635.46
  5. Step 5: Solve for x
    x = 991,127,635.46/47,258.09
  6. Step 6: Final answer
    x = 20,972.66

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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.