Home / 40,110.77-60,126.51-19,013.78

Finding the Fourth Proportional to 40,110.77, 60,126.51 and 19,013.78

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Solution

The fourth proportional to 40,110.77, 60,126.51 and 19,013.78 is: 28,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.77 : 60,126.51 = 19,013.78 : x
  2. Step 2: Convert to fraction form
    40,110.77/60,126.51 = 19,013.78/x
  3. Step 3: Cross multiply
    40,110.77x = 60,126.51 × 19,013.78
  4. Step 4: Simplify right side
    40,110.77x = 1,143,232,233.31
  5. Step 5: Solve for x
    x = 1,143,232,233.31/40,110.77
  6. Step 6: Final answer
    x = 28,501.88

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1.5x scale

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.