Home / 29,280.83-43,889.78-12,648.69

Finding the Fourth Proportional to 29,280.83, 43,889.78 and 12,648.69

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Solution

The fourth proportional to 29,280.83, 43,889.78 and 12,648.69 is: 18,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.83 : 43,889.78 = 12,648.69 : x
  2. Step 2: Convert to fraction form
    29,280.83/43,889.78 = 12,648.69/x
  3. Step 3: Cross multiply
    29,280.83x = 43,889.78 × 12,648.69
  4. Step 4: Simplify right side
    29,280.83x = 555,148,253.01
  5. Step 5: Solve for x
    x = 555,148,253.01/29,280.83
  6. Step 6: Final answer
    x = 18,959.45

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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.