Home / 35,732.28-49,312.14-19,815.66

Finding the Fourth Proportional to 35,732.28, 49,312.14 and 19,815.66

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Solution

The fourth proportional to 35,732.28, 49,312.14 and 19,815.66 is: 27,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.28 : 49,312.14 = 19,815.66 : x
  2. Step 2: Convert to fraction form
    35,732.28/49,312.14 = 19,815.66/x
  3. Step 3: Cross multiply
    35,732.28x = 49,312.14 × 19,815.66
  4. Step 4: Simplify right side
    35,732.28x = 977,152,600.11
  5. Step 5: Solve for x
    x = 977,152,600.11/35,732.28
  6. Step 6: Final answer
    x = 27,346.49

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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.