Home / 35,139.20-48,493.28-19,223.65

Finding the Fourth Proportional to 35,139.20, 48,493.28 and 19,223.65

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Solution

The fourth proportional to 35,139.20, 48,493.28 and 19,223.65 is: 26,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.20 : 48,493.28 = 19,223.65 : x
  2. Step 2: Convert to fraction form
    35,139.20/48,493.28 = 19,223.65/x
  3. Step 3: Cross multiply
    35,139.20x = 48,493.28 × 19,223.65
  4. Step 4: Simplify right side
    35,139.20x = 932,217,503.49
  5. Step 5: Solve for x
    x = 932,217,503.49/35,139.20
  6. Step 6: Final answer
    x = 26,529.28

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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.