Home / 54,585.47-75,327.46-30,711.63

Finding the Fourth Proportional to 54,585.47, 75,327.46 and 30,711.63

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Solution

The fourth proportional to 54,585.47, 75,327.46 and 30,711.63 is: 42,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585.47 : 75,327.46 = 30,711.63 : x
  2. Step 2: Convert to fraction form
    54,585.47/75,327.46 = 30,711.63/x
  3. Step 3: Cross multiply
    54,585.47x = 75,327.46 × 30,711.63
  4. Step 4: Simplify right side
    54,585.47x = 2,313,429,031.01
  5. Step 5: Solve for x
    x = 2,313,429,031.01/54,585.47
  6. Step 6: Final answer
    x = 42,381.77

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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.