Home / 40,754.61-61,132.12-18,552.45

Finding the Fourth Proportional to 40,754.61, 61,132.12 and 18,552.45

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Solution

The fourth proportional to 40,754.61, 61,132.12 and 18,552.45 is: 27,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,754.61 : 61,132.12 = 18,552.45 : x
  2. Step 2: Convert to fraction form
    40,754.61/61,132.12 = 18,552.45/x
  3. Step 3: Cross multiply
    40,754.61x = 61,132.12 × 18,552.45
  4. Step 4: Simplify right side
    40,754.61x = 1,134,150,782.56
  5. Step 5: Solve for x
    x = 1,134,150,782.56/40,754.61
  6. Step 6: Final answer
    x = 27,828.77

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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.