Home / 29,587.16-40,830.56-16,839.72

Finding the Fourth Proportional to 29,587.16, 40,830.56 and 16,839.72

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Solution

The fourth proportional to 29,587.16, 40,830.56 and 16,839.72 is: 23,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,587.16 : 40,830.56 = 16,839.72 : x
  2. Step 2: Convert to fraction form
    29,587.16/40,830.56 = 16,839.72/x
  3. Step 3: Cross multiply
    29,587.16x = 40,830.56 × 16,839.72
  4. Step 4: Simplify right side
    29,587.16x = 687,575,239.94
  5. Step 5: Solve for x
    x = 687,575,239.94/29,587.16
  6. Step 6: Final answer
    x = 23,238.97

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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.