Home / 53,222.13-79,839.36-17,686.62

Finding the Fourth Proportional to 53,222.13, 79,839.36 and 17,686.62

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Solution

The fourth proportional to 53,222.13, 79,839.36 and 17,686.62 is: 26,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.13 : 79,839.36 = 17,686.62 : x
  2. Step 2: Convert to fraction form
    53,222.13/79,839.36 = 17,686.62/x
  3. Step 3: Cross multiply
    53,222.13x = 79,839.36 × 17,686.62
  4. Step 4: Simplify right side
    53,222.13x = 1,412,088,421.36
  5. Step 5: Solve for x
    x = 1,412,088,421.36/53,222.13
  6. Step 6: Final answer
    x = 26,531.98

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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.