Home / 40,078.05-60,111.78-17,886.30

Finding the Fourth Proportional to 40,078.05, 60,111.78 and 17,886.30

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Solution

The fourth proportional to 40,078.05, 60,111.78 and 17,886.30 is: 26,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.05 : 60,111.78 = 17,886.30 : x
  2. Step 2: Convert to fraction form
    40,078.05/60,111.78 = 17,886.30/x
  3. Step 3: Cross multiply
    40,078.05x = 60,111.78 × 17,886.30
  4. Step 4: Simplify right side
    40,078.05x = 1,075,177,330.61
  5. Step 5: Solve for x
    x = 1,075,177,330.61/40,078.05
  6. Step 6: Final answer
    x = 26,827.09

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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.