Home / 42,000.40-63,130.20-41,222.80

Finding the Fourth Proportional to 42,000.40, 63,130.20 and 41,222.80

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Solution

The fourth proportional to 42,000.40, 63,130.20 and 41,222.80 is: 61,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.40 : 63,130.20 = 41,222.80 : x
  2. Step 2: Convert to fraction form
    42,000.40/63,130.20 = 41,222.80/x
  3. Step 3: Cross multiply
    42,000.40x = 63,130.20 × 41,222.80
  4. Step 4: Simplify right side
    42,000.40x = 2,602,403,608.56
  5. Step 5: Solve for x
    x = 2,602,403,608.56/42,000.40
  6. Step 6: Final answer
    x = 61,961.40

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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.