Home / 42,290.46-63,440.91-13,826.75

Finding the Fourth Proportional to 42,290.46, 63,440.91 and 13,826.75

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Solution

The fourth proportional to 42,290.46, 63,440.91 and 13,826.75 is: 20,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290.46 : 63,440.91 = 13,826.75 : x
  2. Step 2: Convert to fraction form
    42,290.46/63,440.91 = 13,826.75/x
  3. Step 3: Cross multiply
    42,290.46x = 63,440.91 × 13,826.75
  4. Step 4: Simplify right side
    42,290.46x = 877,181,285.14
  5. Step 5: Solve for x
    x = 877,181,285.14/42,290.46
  6. Step 6: Final answer
    x = 20,741.82

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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.