Home / 54,318.47-74,985.71-36,199.35

Finding the Fourth Proportional to 54,318.47, 74,985.71 and 36,199.35

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Solution

The fourth proportional to 54,318.47, 74,985.71 and 36,199.35 is: 49,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.47 : 74,985.71 = 36,199.35 : x
  2. Step 2: Convert to fraction form
    54,318.47/74,985.71 = 36,199.35/x
  3. Step 3: Cross multiply
    54,318.47x = 74,985.71 × 36,199.35
  4. Step 4: Simplify right side
    54,318.47x = 2,714,433,780.29
  5. Step 5: Solve for x
    x = 2,714,433,780.29/54,318.47
  6. Step 6: Final answer
    x = 49,972.58

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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.