Home / 42,260.96-63,401.98-12,679.36

Finding the Fourth Proportional to 42,260.96, 63,401.98 and 12,679.36

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Solution

The fourth proportional to 42,260.96, 63,401.98 and 12,679.36 is: 19,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,260.96 : 63,401.98 = 12,679.36 : x
  2. Step 2: Convert to fraction form
    42,260.96/63,401.98 = 12,679.36/x
  3. Step 3: Cross multiply
    42,260.96x = 63,401.98 × 12,679.36
  4. Step 4: Simplify right side
    42,260.96x = 803,896,529.13
  5. Step 5: Solve for x
    x = 803,896,529.13/42,260.96
  6. Step 6: Final answer
    x = 19,022.20

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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.