Home / 53,322.65-79,934.54-20,064.76

Finding the Fourth Proportional to 53,322.65, 79,934.54 and 20,064.76

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Solution

The fourth proportional to 53,322.65, 79,934.54 and 20,064.76 is: 30,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.65 : 79,934.54 = 20,064.76 : x
  2. Step 2: Convert to fraction form
    53,322.65/79,934.54 = 20,064.76/x
  3. Step 3: Cross multiply
    53,322.65x = 79,934.54 × 20,064.76
  4. Step 4: Simplify right side
    53,322.65x = 1,603,866,860.81
  5. Step 5: Solve for x
    x = 1,603,866,860.81/53,322.65
  6. Step 6: Final answer
    x = 30,078.53

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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.