Home / 54,300.20-74,937.27-30,434.54

Finding the Fourth Proportional to 54,300.20, 74,937.27 and 30,434.54

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Solution

The fourth proportional to 54,300.20, 74,937.27 and 30,434.54 is: 42,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.20 : 74,937.27 = 30,434.54 : x
  2. Step 2: Convert to fraction form
    54,300.20/74,937.27 = 30,434.54/x
  3. Step 3: Cross multiply
    54,300.20x = 74,937.27 × 30,434.54
  4. Step 4: Simplify right side
    54,300.20x = 2,280,681,341.31
  5. Step 5: Solve for x
    x = 2,280,681,341.31/54,300.20
  6. Step 6: Final answer
    x = 42,001.34

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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.