Home / 42,367.19-63,552.44-12,785.03

Finding the Fourth Proportional to 42,367.19, 63,552.44 and 12,785.03

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Solution

The fourth proportional to 42,367.19, 63,552.44 and 12,785.03 is: 19,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367.19 : 63,552.44 = 12,785.03 : x
  2. Step 2: Convert to fraction form
    42,367.19/63,552.44 = 12,785.03/x
  3. Step 3: Cross multiply
    42,367.19x = 63,552.44 × 12,785.03
  4. Step 4: Simplify right side
    42,367.19x = 812,520,042.82
  5. Step 5: Solve for x
    x = 812,520,042.82/42,367.19
  6. Step 6: Final answer
    x = 19,178.05

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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.