Home / 54,543.74-75,208.29-38,405.90

Finding the Fourth Proportional to 54,543.74, 75,208.29 and 38,405.90

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Solution

The fourth proportional to 54,543.74, 75,208.29 and 38,405.90 is: 52,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,543.74 : 75,208.29 = 38,405.90 : x
  2. Step 2: Convert to fraction form
    54,543.74/75,208.29 = 38,405.90/x
  3. Step 3: Cross multiply
    54,543.74x = 75,208.29 × 38,405.90
  4. Step 4: Simplify right side
    54,543.74x = 2,888,441,688.87
  5. Step 5: Solve for x
    x = 2,888,441,688.87/54,543.74
  6. Step 6: Final answer
    x = 52,956.43

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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.