Home / 34,657.20-47,826.72-18,741.60

Finding the Fourth Proportional to 34,657.20, 47,826.72 and 18,741.60

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Solution

The fourth proportional to 34,657.20, 47,826.72 and 18,741.60 is: 25,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.20 : 47,826.72 = 18,741.60 : x
  2. Step 2: Convert to fraction form
    34,657.20/47,826.72 = 18,741.60/x
  3. Step 3: Cross multiply
    34,657.20x = 47,826.72 × 18,741.60
  4. Step 4: Simplify right side
    34,657.20x = 896,349,255.55
  5. Step 5: Solve for x
    x = 896,349,255.55/34,657.20
  6. Step 6: Final answer
    x = 25,863.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.