Home / 48,116.17-72,174.21-21,455.29

Finding the Fourth Proportional to 48,116.17, 72,174.21 and 21,455.29

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Solution

The fourth proportional to 48,116.17, 72,174.21 and 21,455.29 is: 32,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,116.17 : 72,174.21 = 21,455.29 : x
  2. Step 2: Convert to fraction form
    48,116.17/72,174.21 = 21,455.29/x
  3. Step 3: Cross multiply
    48,116.17x = 72,174.21 × 21,455.29
  4. Step 4: Simplify right side
    48,116.17x = 1,548,518,606.07
  5. Step 5: Solve for x
    x = 1,548,518,606.07/48,116.17
  6. Step 6: Final answer
    x = 32,182.91

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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.