Home / 35,402.13-48,859.61-21,255.89

Finding the Fourth Proportional to 35,402.13, 48,859.61 and 21,255.89

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Solution

The fourth proportional to 35,402.13, 48,859.61 and 21,255.89 is: 29,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.13 : 48,859.61 = 21,255.89 : x
  2. Step 2: Convert to fraction form
    35,402.13/48,859.61 = 21,255.89/x
  3. Step 3: Cross multiply
    35,402.13x = 48,859.61 × 21,255.89
  4. Step 4: Simplify right side
    35,402.13x = 1,038,554,145.03
  5. Step 5: Solve for x
    x = 1,038,554,145.03/35,402.13
  6. Step 6: Final answer
    x = 29,335.92

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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.