Home / 53,395.12-73,685.28-29,521.78

Finding the Fourth Proportional to 53,395.12, 73,685.28 and 29,521.78

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Solution

The fourth proportional to 53,395.12, 73,685.28 and 29,521.78 is: 40,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.12 : 73,685.28 = 29,521.78 : x
  2. Step 2: Convert to fraction form
    53,395.12/73,685.28 = 29,521.78/x
  3. Step 3: Cross multiply
    53,395.12x = 73,685.28 × 29,521.78
  4. Step 4: Simplify right side
    53,395.12x = 2,175,320,625.40
  5. Step 5: Solve for x
    x = 2,175,320,625.40/53,395.12
  6. Step 6: Final answer
    x = 40,740.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.