Home / 40,380.31-60,573.54-12,302.76

Finding the Fourth Proportional to 40,380.31, 60,573.54 and 12,302.76

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Solution

The fourth proportional to 40,380.31, 60,573.54 and 12,302.76 is: 18,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.31 : 60,573.54 = 12,302.76 : x
  2. Step 2: Convert to fraction form
    40,380.31/60,573.54 = 12,302.76/x
  3. Step 3: Cross multiply
    40,380.31x = 60,573.54 × 12,302.76
  4. Step 4: Simplify right side
    40,380.31x = 745,221,784.64
  5. Step 5: Solve for x
    x = 745,221,784.64/40,380.31
  6. Step 6: Final answer
    x = 18,455.08

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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.