Home / 29,805.47-44,728.71-12,275.30

Finding the Fourth Proportional to 29,805.47, 44,728.71 and 12,275.30

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Solution

The fourth proportional to 29,805.47, 44,728.71 and 12,275.30 is: 18,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,805.47 : 44,728.71 = 12,275.30 : x
  2. Step 2: Convert to fraction form
    29,805.47/44,728.71 = 12,275.30/x
  3. Step 3: Cross multiply
    29,805.47x = 44,728.71 × 12,275.30
  4. Step 4: Simplify right side
    29,805.47x = 549,058,148.05
  5. Step 5: Solve for x
    x = 549,058,148.05/29,805.47
  6. Step 6: Final answer
    x = 18,421.39

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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.