Home / 42,050.81-63,065.46-12,461.73

Finding the Fourth Proportional to 42,050.81, 63,065.46 and 12,461.73

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Solution

The fourth proportional to 42,050.81, 63,065.46 and 12,461.73 is: 18,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,050.81 : 63,065.46 = 12,461.73 : x
  2. Step 2: Convert to fraction form
    42,050.81/63,065.46 = 12,461.73/x
  3. Step 3: Cross multiply
    42,050.81x = 63,065.46 × 12,461.73
  4. Step 4: Simplify right side
    42,050.81x = 785,904,734.85
  5. Step 5: Solve for x
    x = 785,904,734.85/42,050.81
  6. Step 6: Final answer
    x = 18,689.41

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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.