Home / 54,314.06-74,956.47-30,442.28

Finding the Fourth Proportional to 54,314.06, 74,956.47 and 30,442.28

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Solution

The fourth proportional to 54,314.06, 74,956.47 and 30,442.28 is: 42,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.06 : 74,956.47 = 30,442.28 : x
  2. Step 2: Convert to fraction form
    54,314.06/74,956.47 = 30,442.28/x
  3. Step 3: Cross multiply
    54,314.06x = 74,956.47 × 30,442.28
  4. Step 4: Simplify right side
    54,314.06x = 2,281,845,472.77
  5. Step 5: Solve for x
    x = 2,281,845,472.77/54,314.06
  6. Step 6: Final answer
    x = 42,012.06

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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.