Home / 35,139.30-48,490.17-19,220.58

Finding the Fourth Proportional to 35,139.30, 48,490.17 and 19,220.58

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Solution

The fourth proportional to 35,139.30, 48,490.17 and 19,220.58 is: 26,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.30 : 48,490.17 = 19,220.58 : x
  2. Step 2: Convert to fraction form
    35,139.30/48,490.17 = 19,220.58/x
  3. Step 3: Cross multiply
    35,139.30x = 48,490.17 × 19,220.58
  4. Step 4: Simplify right side
    35,139.30x = 932,009,191.70
  5. Step 5: Solve for x
    x = 932,009,191.70/35,139.30
  6. Step 6: Final answer
    x = 26,523.27

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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.