Home / 39,014.79-58,531.41-12,719.53

Finding the Fourth Proportional to 39,014.79, 58,531.41 and 12,719.53

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Solution

The fourth proportional to 39,014.79, 58,531.41 and 12,719.53 is: 19,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,014.79 : 58,531.41 = 12,719.53 : x
  2. Step 2: Convert to fraction form
    39,014.79/58,531.41 = 12,719.53/x
  3. Step 3: Cross multiply
    39,014.79x = 58,531.41 × 12,719.53
  4. Step 4: Simplify right side
    39,014.79x = 744,492,098.60
  5. Step 5: Solve for x
    x = 744,492,098.60/39,014.79
  6. Step 6: Final answer
    x = 19,082.30

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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.