Home / 42,266.16-63,397.80-12,682.80

Finding the Fourth Proportional to 42,266.16, 63,397.80 and 12,682.80

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Solution

The fourth proportional to 42,266.16, 63,397.80 and 12,682.80 is: 19,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,266.16 : 63,397.80 = 12,682.80 : x
  2. Step 2: Convert to fraction form
    42,266.16/63,397.80 = 12,682.80/x
  3. Step 3: Cross multiply
    42,266.16x = 63,397.80 × 12,682.80
  4. Step 4: Simplify right side
    42,266.16x = 804,061,617.84
  5. Step 5: Solve for x
    x = 804,061,617.84/42,266.16
  6. Step 6: Final answer
    x = 19,023.77

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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.