Home / 40,065.36-60,097.68-28,170.06

Finding the Fourth Proportional to 40,065.36, 60,097.68 and 28,170.06

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Solution

The fourth proportional to 40,065.36, 60,097.68 and 28,170.06 is: 42,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.36 : 60,097.68 = 28,170.06 : x
  2. Step 2: Convert to fraction form
    40,065.36/60,097.68 = 28,170.06/x
  3. Step 3: Cross multiply
    40,065.36x = 60,097.68 × 28,170.06
  4. Step 4: Simplify right side
    40,065.36x = 1,692,955,251.46
  5. Step 5: Solve for x
    x = 1,692,955,251.46/40,065.36
  6. Step 6: Final answer
    x = 42,254.84

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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.