Home / 42,220.41-63,330.67-10,630.47

Finding the Fourth Proportional to 42,220.41, 63,330.67 and 10,630.47

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Solution

The fourth proportional to 42,220.41, 63,330.67 and 10,630.47 is: 15,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.41 : 63,330.67 = 10,630.47 : x
  2. Step 2: Convert to fraction form
    42,220.41/63,330.67 = 10,630.47/x
  3. Step 3: Cross multiply
    42,220.41x = 63,330.67 × 10,630.47
  4. Step 4: Simplify right side
    42,220.41x = 673,235,038.29
  5. Step 5: Solve for x
    x = 673,235,038.29/42,220.41
  6. Step 6: Final answer
    x = 15,945.73

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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.