Home / 54,289.44-74,925.36-30,417.12

Finding the Fourth Proportional to 54,289.44, 74,925.36 and 30,417.12

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Solution

The fourth proportional to 54,289.44, 74,925.36 and 30,417.12 is: 41,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.44 : 74,925.36 = 30,417.12 : x
  2. Step 2: Convert to fraction form
    54,289.44/74,925.36 = 30,417.12/x
  3. Step 3: Cross multiply
    54,289.44x = 74,925.36 × 30,417.12
  4. Step 4: Simplify right side
    54,289.44x = 2,279,013,666.16
  5. Step 5: Solve for x
    x = 2,279,013,666.16/54,289.44
  6. Step 6: Final answer
    x = 41,978.95

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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.