Home / 38,403.60-52,995.26-21,409.72

Finding the Fourth Proportional to 38,403.60, 52,995.26 and 21,409.72

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Solution

The fourth proportional to 38,403.60, 52,995.26 and 21,409.72 is: 29,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.60 : 52,995.26 = 21,409.72 : x
  2. Step 2: Convert to fraction form
    38,403.60/52,995.26 = 21,409.72/x
  3. Step 3: Cross multiply
    38,403.60x = 52,995.26 × 21,409.72
  4. Step 4: Simplify right side
    38,403.60x = 1,134,613,677.93
  5. Step 5: Solve for x
    x = 1,134,613,677.93/38,403.60
  6. Step 6: Final answer
    x = 29,544.46

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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.