Home / 53,211.35-79,829.55-15,771.74

Finding the Fourth Proportional to 53,211.35, 79,829.55 and 15,771.74

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Solution

The fourth proportional to 53,211.35, 79,829.55 and 15,771.74 is: 23,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.35 : 79,829.55 = 15,771.74 : x
  2. Step 2: Convert to fraction form
    53,211.35/79,829.55 = 15,771.74/x
  3. Step 3: Cross multiply
    53,211.35x = 79,829.55 × 15,771.74
  4. Step 4: Simplify right side
    53,211.35x = 1,259,050,507.77
  5. Step 5: Solve for x
    x = 1,259,050,507.77/53,211.35
  6. Step 6: Final answer
    x = 23,661.32

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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.