Home / 38,452.32-53,064.20-21,685.32

Finding the Fourth Proportional to 38,452.32, 53,064.20 and 21,685.32

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Solution

The fourth proportional to 38,452.32, 53,064.20 and 21,685.32 is: 29,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.32 : 53,064.20 = 21,685.32 : x
  2. Step 2: Convert to fraction form
    38,452.32/53,064.20 = 21,685.32/x
  3. Step 3: Cross multiply
    38,452.32x = 53,064.20 × 21,685.32
  4. Step 4: Simplify right side
    38,452.32x = 1,150,714,157.54
  5. Step 5: Solve for x
    x = 1,150,714,157.54/38,452.32
  6. Step 6: Final answer
    x = 29,925.74

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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.