Home / 55,324.64-76,354.96-31,126.84

Finding the Fourth Proportional to 55,324.64, 76,354.96 and 31,126.84

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Solution

The fourth proportional to 55,324.64, 76,354.96 and 31,126.84 is: 42,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.64 : 76,354.96 = 31,126.84 : x
  2. Step 2: Convert to fraction form
    55,324.64/76,354.96 = 31,126.84/x
  3. Step 3: Cross multiply
    55,324.64x = 76,354.96 × 31,126.84
  4. Step 4: Simplify right side
    55,324.64x = 2,376,688,623.13
  5. Step 5: Solve for x
    x = 2,376,688,623.13/55,324.64
  6. Step 6: Final answer
    x = 42,958.95

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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.