Home / 54,242.72-74,859.12-31,588.76

Finding the Fourth Proportional to 54,242.72, 74,859.12 and 31,588.76

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Solution

The fourth proportional to 54,242.72, 74,859.12 and 31,588.76 is: 43,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.72 : 74,859.12 = 31,588.76 : x
  2. Step 2: Convert to fraction form
    54,242.72/74,859.12 = 31,588.76/x
  3. Step 3: Cross multiply
    54,242.72x = 74,859.12 × 31,588.76
  4. Step 4: Simplify right side
    54,242.72x = 2,364,706,775.49
  5. Step 5: Solve for x
    x = 2,364,706,775.49/54,242.72
  6. Step 6: Final answer
    x = 43,594.92

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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.