Home / 29,212.95-43,778.42-12,560.47

Finding the Fourth Proportional to 29,212.95, 43,778.42 and 12,560.47

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Solution

The fourth proportional to 29,212.95, 43,778.42 and 12,560.47 is: 18,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.95 : 43,778.42 = 12,560.47 : x
  2. Step 2: Convert to fraction form
    29,212.95/43,778.42 = 12,560.47/x
  3. Step 3: Cross multiply
    29,212.95x = 43,778.42 × 12,560.47
  4. Step 4: Simplify right side
    29,212.95x = 549,877,476.56
  5. Step 5: Solve for x
    x = 549,877,476.56/29,212.95
  6. Step 6: Final answer
    x = 18,823.07

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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.