Home / 55,082.33-76,017.99-31,214.87

Finding the Fourth Proportional to 55,082.33, 76,017.99 and 31,214.87

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Solution

The fourth proportional to 55,082.33, 76,017.99 and 31,214.87 is: 43,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.33 : 76,017.99 = 31,214.87 : x
  2. Step 2: Convert to fraction form
    55,082.33/76,017.99 = 31,214.87/x
  3. Step 3: Cross multiply
    55,082.33x = 76,017.99 × 31,214.87
  4. Step 4: Simplify right side
    55,082.33x = 2,372,891,295.42
  5. Step 5: Solve for x
    x = 2,372,891,295.42/55,082.33
  6. Step 6: Final answer
    x = 43,079.00

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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.