Home / 55,612.76-76,745.22-30,461.72

Finding the Fourth Proportional to 55,612.76, 76,745.22 and 30,461.72

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Solution

The fourth proportional to 55,612.76, 76,745.22 and 30,461.72 is: 42,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.76 : 76,745.22 = 30,461.72 : x
  2. Step 2: Convert to fraction form
    55,612.76/76,745.22 = 30,461.72/x
  3. Step 3: Cross multiply
    55,612.76x = 76,745.22 × 30,461.72
  4. Step 4: Simplify right side
    55,612.76x = 2,337,791,402.98
  5. Step 5: Solve for x
    x = 2,337,791,402.98/55,612.76
  6. Step 6: Final answer
    x = 42,036.96

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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.