Home / 29,702.04-40,987.40-17,771.92

Finding the Fourth Proportional to 29,702.04, 40,987.40 and 17,771.92

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Solution

The fourth proportional to 29,702.04, 40,987.40 and 17,771.92 is: 24,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,702.04 : 40,987.40 = 17,771.92 : x
  2. Step 2: Convert to fraction form
    29,702.04/40,987.40 = 17,771.92/x
  3. Step 3: Cross multiply
    29,702.04x = 40,987.40 × 17,771.92
  4. Step 4: Simplify right side
    29,702.04x = 728,424,793.81
  5. Step 5: Solve for x
    x = 728,424,793.81/29,702.04
  6. Step 6: Final answer
    x = 24,524.40

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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.