Home / 29,148.60-40,203.76-19,060.86

Finding the Fourth Proportional to 29,148.60, 40,203.76 and 19,060.86

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Solution

The fourth proportional to 29,148.60, 40,203.76 and 19,060.86 is: 26,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.60 : 40,203.76 = 19,060.86 : x
  2. Step 2: Convert to fraction form
    29,148.60/40,203.76 = 19,060.86/x
  3. Step 3: Cross multiply
    29,148.60x = 40,203.76 × 19,060.86
  4. Step 4: Simplify right side
    29,148.60x = 766,318,240.83
  5. Step 5: Solve for x
    x = 766,318,240.83/29,148.60
  6. Step 6: Final answer
    x = 26,290.05

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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.