Home / 47,258.16-70,837.20-15,660

Finding the Fourth Proportional to 47,258.16, 70,837.20 and 15,660

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Solution

The fourth proportional to 47,258.16, 70,837.20 and 15,660 is: 23,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258.16 : 70,837.20 = 15,660 : x
  2. Step 2: Convert to fraction form
    47,258.16/70,837.20 = 15,660/x
  3. Step 3: Cross multiply
    47,258.16x = 70,837.20 × 15,660
  4. Step 4: Simplify right side
    47,258.16x = 1,109,310,552
  5. Step 5: Solve for x
    x = 1,109,310,552/47,258.16
  6. Step 6: Final answer
    x = 23,473.42

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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.