Home / 55,281.20-76,300.36-35,134.16

Finding the Fourth Proportional to 55,281.20, 76,300.36 and 35,134.16

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Solution

The fourth proportional to 55,281.20, 76,300.36 and 35,134.16 is: 48,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.20 : 76,300.36 = 35,134.16 : x
  2. Step 2: Convert to fraction form
    55,281.20/76,300.36 = 35,134.16/x
  3. Step 3: Cross multiply
    55,281.20x = 76,300.36 × 35,134.16
  4. Step 4: Simplify right side
    55,281.20x = 2,680,749,056.30
  5. Step 5: Solve for x
    x = 2,680,749,056.30/55,281.20
  6. Step 6: Final answer
    x = 48,492.96

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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.