Home / 29,818.64-44,733.36-12,278.90

Finding the Fourth Proportional to 29,818.64, 44,733.36 and 12,278.90

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Solution

The fourth proportional to 29,818.64, 44,733.36 and 12,278.90 is: 18,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.64 : 44,733.36 = 12,278.90 : x
  2. Step 2: Convert to fraction form
    29,818.64/44,733.36 = 12,278.90/x
  3. Step 3: Cross multiply
    29,818.64x = 44,733.36 × 12,278.90
  4. Step 4: Simplify right side
    29,818.64x = 549,276,454.10
  5. Step 5: Solve for x
    x = 549,276,454.10/29,818.64
  6. Step 6: Final answer
    x = 18,420.57

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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.