Home / 29,189.90-40,285.10-17,866.95

Finding the Fourth Proportional to 29,189.90, 40,285.10 and 17,866.95

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Solution

The fourth proportional to 29,189.90, 40,285.10 and 17,866.95 is: 24,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.90 : 40,285.10 = 17,866.95 : x
  2. Step 2: Convert to fraction form
    29,189.90/40,285.10 = 17,866.95/x
  3. Step 3: Cross multiply
    29,189.90x = 40,285.10 × 17,866.95
  4. Step 4: Simplify right side
    29,189.90x = 719,771,867.45
  5. Step 5: Solve for x
    x = 719,771,867.45/29,189.90
  6. Step 6: Final answer
    x = 24,658.25

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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.