Home / 52,680.60-78,891.30-39,461.40

Finding the Fourth Proportional to 52,680.60, 78,891.30 and 39,461.40

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Solution

The fourth proportional to 52,680.60, 78,891.30 and 39,461.40 is: 59,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.60 : 78,891.30 = 39,461.40 : x
  2. Step 2: Convert to fraction form
    52,680.60/78,891.30 = 39,461.40/x
  3. Step 3: Cross multiply
    52,680.60x = 78,891.30 × 39,461.40
  4. Step 4: Simplify right side
    52,680.60x = 3,113,161,145.82
  5. Step 5: Solve for x
    x = 3,113,161,145.82/52,680.60
  6. Step 6: Final answer
    x = 59,095.02

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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.