Home / 40,697.20-61,077.06-18,214.84

Finding the Fourth Proportional to 40,697.20, 61,077.06 and 18,214.84

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Solution

The fourth proportional to 40,697.20, 61,077.06 and 18,214.84 is: 27,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697.20 : 61,077.06 = 18,214.84 : x
  2. Step 2: Convert to fraction form
    40,697.20/61,077.06 = 18,214.84/x
  3. Step 3: Cross multiply
    40,697.20x = 61,077.06 × 18,214.84
  4. Step 4: Simplify right side
    40,697.20x = 1,112,508,875.57
  5. Step 5: Solve for x
    x = 1,112,508,875.57/40,697.20
  6. Step 6: Final answer
    x = 27,336.25

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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.