Home / 48,148.64-72,248.14-19,706.70

Finding the Fourth Proportional to 48,148.64, 72,248.14 and 19,706.70

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Solution

The fourth proportional to 48,148.64, 72,248.14 and 19,706.70 is: 29,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.64 : 72,248.14 = 19,706.70 : x
  2. Step 2: Convert to fraction form
    48,148.64/72,248.14 = 19,706.70/x
  3. Step 3: Cross multiply
    48,148.64x = 72,248.14 × 19,706.70
  4. Step 4: Simplify right side
    48,148.64x = 1,423,772,420.54
  5. Step 5: Solve for x
    x = 1,423,772,420.54/48,148.64
  6. Step 6: Final answer
    x = 29,570.36

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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.