Home / 42,153.80-63,261.88-19,967.23

Finding the Fourth Proportional to 42,153.80, 63,261.88 and 19,967.23

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Solution

The fourth proportional to 42,153.80, 63,261.88 and 19,967.23 is: 29,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.80 : 63,261.88 = 19,967.23 : x
  2. Step 2: Convert to fraction form
    42,153.80/63,261.88 = 19,967.23/x
  3. Step 3: Cross multiply
    42,153.80x = 63,261.88 × 19,967.23
  4. Step 4: Simplify right side
    42,153.80x = 1,263,164,191.88
  5. Step 5: Solve for x
    x = 1,263,164,191.88/42,153.80
  6. Step 6: Final answer
    x = 29,965.61

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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.