Home / 42,201.74-63,281.66-14,112.18

Finding the Fourth Proportional to 42,201.74, 63,281.66 and 14,112.18

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Solution

The fourth proportional to 42,201.74, 63,281.66 and 14,112.18 is: 21,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.74 : 63,281.66 = 14,112.18 : x
  2. Step 2: Convert to fraction form
    42,201.74/63,281.66 = 14,112.18/x
  3. Step 3: Cross multiply
    42,201.74x = 63,281.66 × 14,112.18
  4. Step 4: Simplify right side
    42,201.74x = 893,042,176.62
  5. Step 5: Solve for x
    x = 893,042,176.62/42,201.74
  6. Step 6: Final answer
    x = 21,161.26

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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.