Home / 57,637.13-79,539.23-31,141.13

Finding the Fourth Proportional to 57,637.13, 79,539.23 and 31,141.13

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Solution

The fourth proportional to 57,637.13, 79,539.23 and 31,141.13 is: 42,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637.13 : 79,539.23 = 31,141.13 : x
  2. Step 2: Convert to fraction form
    57,637.13/79,539.23 = 31,141.13/x
  3. Step 3: Cross multiply
    57,637.13x = 79,539.23 × 31,141.13
  4. Step 4: Simplify right side
    57,637.13x = 2,476,941,181.69
  5. Step 5: Solve for x
    x = 2,476,941,181.69/57,637.13
  6. Step 6: Final answer
    x = 42,974.75

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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.