Home / 47,722.60-65,827.74-30,721.24

Finding the Fourth Proportional to 47,722.60, 65,827.74 and 30,721.24

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Solution

The fourth proportional to 47,722.60, 65,827.74 and 30,721.24 is: 42,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722.60 : 65,827.74 = 30,721.24 : x
  2. Step 2: Convert to fraction form
    47,722.60/65,827.74 = 30,721.24/x
  3. Step 3: Cross multiply
    47,722.60x = 65,827.74 × 30,721.24
  4. Step 4: Simplify right side
    47,722.60x = 2,022,309,799.20
  5. Step 5: Solve for x
    x = 2,022,309,799.20/47,722.60
  6. Step 6: Final answer
    x = 42,376.35

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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.