Home / 35,854.24-53,790.18-12,480.88

Finding the Fourth Proportional to 35,854.24, 53,790.18 and 12,480.88

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Solution

The fourth proportional to 35,854.24, 53,790.18 and 12,480.88 is: 18,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.24 : 53,790.18 = 12,480.88 : x
  2. Step 2: Convert to fraction form
    35,854.24/53,790.18 = 12,480.88/x
  3. Step 3: Cross multiply
    35,854.24x = 53,790.18 × 12,480.88
  4. Step 4: Simplify right side
    35,854.24x = 671,348,781.76
  5. Step 5: Solve for x
    x = 671,348,781.76/35,854.24
  6. Step 6: Final answer
    x = 18,724.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.