Home / 54,008.40-74,529.30-31,345.62

Finding the Fourth Proportional to 54,008.40, 74,529.30 and 31,345.62

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Solution

The fourth proportional to 54,008.40, 74,529.30 and 31,345.62 is: 43,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.40 : 74,529.30 = 31,345.62 : x
  2. Step 2: Convert to fraction form
    54,008.40/74,529.30 = 31,345.62/x
  3. Step 3: Cross multiply
    54,008.40x = 74,529.30 × 31,345.62
  4. Step 4: Simplify right side
    54,008.40x = 2,336,167,116.67
  5. Step 5: Solve for x
    x = 2,336,167,116.67/54,008.40
  6. Step 6: Final answer
    x = 43,255.63

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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.