Home / 29,729.16-41,030.43-18,402.30

Finding the Fourth Proportional to 29,729.16, 41,030.43 and 18,402.30

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Solution

The fourth proportional to 29,729.16, 41,030.43 and 18,402.30 is: 25,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,729.16 : 41,030.43 = 18,402.30 : x
  2. Step 2: Convert to fraction form
    29,729.16/41,030.43 = 18,402.30/x
  3. Step 3: Cross multiply
    29,729.16x = 41,030.43 × 18,402.30
  4. Step 4: Simplify right side
    29,729.16x = 755,054,281.99
  5. Step 5: Solve for x
    x = 755,054,281.99/29,729.16
  6. Step 6: Final answer
    x = 25,397.77

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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.