Home / 42,167.75-63,272.12-19,954.67

Finding the Fourth Proportional to 42,167.75, 63,272.12 and 19,954.67

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Solution

The fourth proportional to 42,167.75, 63,272.12 and 19,954.67 is: 29,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,167.75 : 63,272.12 = 19,954.67 : x
  2. Step 2: Convert to fraction form
    42,167.75/63,272.12 = 19,954.67/x
  3. Step 3: Cross multiply
    42,167.75x = 63,272.12 × 19,954.67
  4. Step 4: Simplify right side
    42,167.75x = 1,262,573,858.67
  5. Step 5: Solve for x
    x = 1,262,573,858.67/42,167.75
  6. Step 6: Final answer
    x = 29,941.70

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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.