Home / 51,215.34-76,770.74-32,509.20

Finding the Fourth Proportional to 51,215.34, 76,770.74 and 32,509.20

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Solution

The fourth proportional to 51,215.34, 76,770.74 and 32,509.20 is: 48,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.34 : 76,770.74 = 32,509.20 : x
  2. Step 2: Convert to fraction form
    51,215.34/76,770.74 = 32,509.20/x
  3. Step 3: Cross multiply
    51,215.34x = 76,770.74 × 32,509.20
  4. Step 4: Simplify right side
    51,215.34x = 2,495,755,340.81
  5. Step 5: Solve for x
    x = 2,495,755,340.81/51,215.34
  6. Step 6: Final answer
    x = 48,730.62

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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.