Home / 53,019.40-79,524.96-23,438.20

Finding the Fourth Proportional to 53,019.40, 79,524.96 and 23,438.20

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Solution

The fourth proportional to 53,019.40, 79,524.96 and 23,438.20 is: 35,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.40 : 79,524.96 = 23,438.20 : x
  2. Step 2: Convert to fraction form
    53,019.40/79,524.96 = 23,438.20/x
  3. Step 3: Cross multiply
    53,019.40x = 79,524.96 × 23,438.20
  4. Step 4: Simplify right side
    53,019.40x = 1,863,921,917.47
  5. Step 5: Solve for x
    x = 1,863,921,917.47/53,019.40
  6. Step 6: Final answer
    x = 35,155.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.