Home / 53,327.18-79,995.55-13,884.63

Finding the Fourth Proportional to 53,327.18, 79,995.55 and 13,884.63

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Solution

The fourth proportional to 53,327.18, 79,995.55 and 13,884.63 is: 20,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.18 : 79,995.55 = 13,884.63 : x
  2. Step 2: Convert to fraction form
    53,327.18/79,995.55 = 13,884.63/x
  3. Step 3: Cross multiply
    53,327.18x = 79,995.55 × 13,884.63
  4. Step 4: Simplify right side
    53,327.18x = 1,110,708,543.97
  5. Step 5: Solve for x
    x = 1,110,708,543.97/53,327.18
  6. Step 6: Final answer
    x = 20,828.19

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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.