Home / 38,452.08-53,064.27-21,457.92

Finding the Fourth Proportional to 38,452.08, 53,064.27 and 21,457.92

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Solution

The fourth proportional to 38,452.08, 53,064.27 and 21,457.92 is: 29,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.08 : 53,064.27 = 21,457.92 : x
  2. Step 2: Convert to fraction form
    38,452.08/53,064.27 = 21,457.92/x
  3. Step 3: Cross multiply
    38,452.08x = 53,064.27 × 21,457.92
  4. Step 4: Simplify right side
    38,452.08x = 1,138,648,860.52
  5. Step 5: Solve for x
    x = 1,138,648,860.52/38,452.08
  6. Step 6: Final answer
    x = 29,612.15

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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.