Home / 39,215.53-58,775.11-18,127.04

Finding the Fourth Proportional to 39,215.53, 58,775.11 and 18,127.04

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Solution

The fourth proportional to 39,215.53, 58,775.11 and 18,127.04 is: 27,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.53 : 58,775.11 = 18,127.04 : x
  2. Step 2: Convert to fraction form
    39,215.53/58,775.11 = 18,127.04/x
  3. Step 3: Cross multiply
    39,215.53x = 58,775.11 × 18,127.04
  4. Step 4: Simplify right side
    39,215.53x = 1,065,418,430.78
  5. Step 5: Solve for x
    x = 1,065,418,430.78/39,215.53
  6. Step 6: Final answer
    x = 27,168.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.