Home / 53,189.74-79,767.06-17,642.89

Finding the Fourth Proportional to 53,189.74, 79,767.06 and 17,642.89

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Solution

The fourth proportional to 53,189.74, 79,767.06 and 17,642.89 is: 26,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.74 : 79,767.06 = 17,642.89 : x
  2. Step 2: Convert to fraction form
    53,189.74/79,767.06 = 17,642.89/x
  3. Step 3: Cross multiply
    53,189.74x = 79,767.06 × 17,642.89
  4. Step 4: Simplify right side
    53,189.74x = 1,407,321,465.20
  5. Step 5: Solve for x
    x = 1,407,321,465.20/53,189.74
  6. Step 6: Final answer
    x = 26,458.51

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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.