Home / 40,222.40-60,330.90-10,639.58

Finding the Fourth Proportional to 40,222.40, 60,330.90 and 10,639.58

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Solution

The fourth proportional to 40,222.40, 60,330.90 and 10,639.58 is: 15,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.40 : 60,330.90 = 10,639.58 : x
  2. Step 2: Convert to fraction form
    40,222.40/60,330.90 = 10,639.58/x
  3. Step 3: Cross multiply
    40,222.40x = 60,330.90 × 10,639.58
  4. Step 4: Simplify right side
    40,222.40x = 641,895,437.02
  5. Step 5: Solve for x
    x = 641,895,437.02/40,222.40
  6. Step 6: Final answer
    x = 15,958.66

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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.