Home / 53,931-74,422.12-30,053.20

Finding the Fourth Proportional to 53,931, 74,422.12 and 30,053.20

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Solution

The fourth proportional to 53,931, 74,422.12 and 30,053.20 is: 41,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931 : 74,422.12 = 30,053.20 : x
  2. Step 2: Convert to fraction form
    53,931/74,422.12 = 30,053.20/x
  3. Step 3: Cross multiply
    53,931x = 74,422.12 × 30,053.20
  4. Step 4: Simplify right side
    53,931x = 2,236,622,856.78
  5. Step 5: Solve for x
    x = 2,236,622,856.78/53,931
  6. Step 6: Final answer
    x = 41,471.93

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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.