Home / 53,229.65-79,830.84-15,780.96

Finding the Fourth Proportional to 53,229.65, 79,830.84 and 15,780.96

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Solution

The fourth proportional to 53,229.65, 79,830.84 and 15,780.96 is: 23,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.65 : 79,830.84 = 15,780.96 : x
  2. Step 2: Convert to fraction form
    53,229.65/79,830.84 = 15,780.96/x
  3. Step 3: Cross multiply
    53,229.65x = 79,830.84 × 15,780.96
  4. Step 4: Simplify right side
    53,229.65x = 1,259,807,292.81
  5. Step 5: Solve for x
    x = 1,259,807,292.81/53,229.65
  6. Step 6: Final answer
    x = 23,667.40

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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.