Home / 29,070.67-43,610.42-12,430.75

Finding the Fourth Proportional to 29,070.67, 43,610.42 and 12,430.75

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Solution

The fourth proportional to 29,070.67, 43,610.42 and 12,430.75 is: 18,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,070.67 : 43,610.42 = 12,430.75 : x
  2. Step 2: Convert to fraction form
    29,070.67/43,610.42 = 12,430.75/x
  3. Step 3: Cross multiply
    29,070.67x = 43,610.42 × 12,430.75
  4. Step 4: Simplify right side
    29,070.67x = 542,110,228.42
  5. Step 5: Solve for x
    x = 542,110,228.42/29,070.67
  6. Step 6: Final answer
    x = 18,648.01

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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.