Home / 40,486.40-55,842.30-35,099.20

Finding the Fourth Proportional to 40,486.40, 55,842.30 and 35,099.20

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Solution

The fourth proportional to 40,486.40, 55,842.30 and 35,099.20 is: 48,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.40 : 55,842.30 = 35,099.20 : x
  2. Step 2: Convert to fraction form
    40,486.40/55,842.30 = 35,099.20/x
  3. Step 3: Cross multiply
    40,486.40x = 55,842.30 × 35,099.20
  4. Step 4: Simplify right side
    40,486.40x = 1,960,020,257.58
  5. Step 5: Solve for x
    x = 1,960,020,257.58/40,486.40
  6. Step 6: Final answer
    x = 48,411.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.