Home / 53,317.02-79,948.78-17,765.84

Finding the Fourth Proportional to 53,317.02, 79,948.78 and 17,765.84

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Solution

The fourth proportional to 53,317.02, 79,948.78 and 17,765.84 is: 26,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,317.02 : 79,948.78 = 17,765.84 : x
  2. Step 2: Convert to fraction form
    53,317.02/79,948.78 = 17,765.84/x
  3. Step 3: Cross multiply
    53,317.02x = 79,948.78 × 17,765.84
  4. Step 4: Simplify right side
    53,317.02x = 1,420,357,233.68
  5. Step 5: Solve for x
    x = 1,420,357,233.68/53,317.02
  6. Step 6: Final answer
    x = 26,639.85

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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.