Home / 42,263.71-63,406.10-12,682.09

Finding the Fourth Proportional to 42,263.71, 63,406.10 and 12,682.09

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Solution

The fourth proportional to 42,263.71, 63,406.10 and 12,682.09 is: 19,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,263.71 : 63,406.10 = 12,682.09 : x
  2. Step 2: Convert to fraction form
    42,263.71/63,406.10 = 12,682.09/x
  3. Step 3: Cross multiply
    42,263.71x = 63,406.10 × 12,682.09
  4. Step 4: Simplify right side
    42,263.71x = 804,121,866.75
  5. Step 5: Solve for x
    x = 804,121,866.75/42,263.71
  6. Step 6: Final answer
    x = 19,026.30

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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.