Home / 54,657.06-75,432.12-31,994.69

Finding the Fourth Proportional to 54,657.06, 75,432.12 and 31,994.69

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Solution

The fourth proportional to 54,657.06, 75,432.12 and 31,994.69 is: 44,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.06 : 75,432.12 = 31,994.69 : x
  2. Step 2: Convert to fraction form
    54,657.06/75,432.12 = 31,994.69/x
  3. Step 3: Cross multiply
    54,657.06x = 75,432.12 × 31,994.69
  4. Step 4: Simplify right side
    54,657.06x = 2,413,426,918.28
  5. Step 5: Solve for x
    x = 2,413,426,918.28/54,657.06
  6. Step 6: Final answer
    x = 44,155.81

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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.