Home / 40,141.78-60,214.59-19,382.74

Finding the Fourth Proportional to 40,141.78, 60,214.59 and 19,382.74

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Solution

The fourth proportional to 40,141.78, 60,214.59 and 19,382.74 is: 29,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.78 : 60,214.59 = 19,382.74 : x
  2. Step 2: Convert to fraction form
    40,141.78/60,214.59 = 19,382.74/x
  3. Step 3: Cross multiply
    40,141.78x = 60,214.59 × 19,382.74
  4. Step 4: Simplify right side
    40,141.78x = 1,167,123,742.18
  5. Step 5: Solve for x
    x = 1,167,123,742.18/40,141.78
  6. Step 6: Final answer
    x = 29,075.04

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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.