Home / 53,222.67-79,817.60-18,154.13

Finding the Fourth Proportional to 53,222.67, 79,817.60 and 18,154.13

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Solution

The fourth proportional to 53,222.67, 79,817.60 and 18,154.13 is: 27,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.67 : 79,817.60 = 18,154.13 : x
  2. Step 2: Convert to fraction form
    53,222.67/79,817.60 = 18,154.13/x
  3. Step 3: Cross multiply
    53,222.67x = 79,817.60 × 18,154.13
  4. Step 4: Simplify right side
    53,222.67x = 1,449,018,732.99
  5. Step 5: Solve for x
    x = 1,449,018,732.99/53,222.67
  6. Step 6: Final answer
    x = 27,225.59

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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.