Home / 39,114.90-58,672.35-12,822.30

Finding the Fourth Proportional to 39,114.90, 58,672.35 and 12,822.30

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Solution

The fourth proportional to 39,114.90, 58,672.35 and 12,822.30 is: 19,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,114.90 : 58,672.35 = 12,822.30 : x
  2. Step 2: Convert to fraction form
    39,114.90/58,672.35 = 12,822.30/x
  3. Step 3: Cross multiply
    39,114.90x = 58,672.35 × 12,822.30
  4. Step 4: Simplify right side
    39,114.90x = 752,314,473.41
  5. Step 5: Solve for x
    x = 752,314,473.41/39,114.90
  6. Step 6: Final answer
    x = 19,233.45

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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.