Home / 55,541.92-76,648.08-30,393.76

Finding the Fourth Proportional to 55,541.92, 76,648.08 and 30,393.76

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Solution

The fourth proportional to 55,541.92, 76,648.08 and 30,393.76 is: 41,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.92 : 76,648.08 = 30,393.76 : x
  2. Step 2: Convert to fraction form
    55,541.92/76,648.08 = 30,393.76/x
  3. Step 3: Cross multiply
    55,541.92x = 76,648.08 × 30,393.76
  4. Step 4: Simplify right side
    55,541.92x = 2,329,623,347.98
  5. Step 5: Solve for x
    x = 2,329,623,347.98/55,541.92
  6. Step 6: Final answer
    x = 41,943.51

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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.