Home / 53,010.20-79,515.30-38,322.20

Finding the Fourth Proportional to 53,010.20, 79,515.30 and 38,322.20

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Solution

The fourth proportional to 53,010.20, 79,515.30 and 38,322.20 is: 57,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.20 : 79,515.30 = 38,322.20 : x
  2. Step 2: Convert to fraction form
    53,010.20/79,515.30 = 38,322.20/x
  3. Step 3: Cross multiply
    53,010.20x = 79,515.30 × 38,322.20
  4. Step 4: Simplify right side
    53,010.20x = 3,047,201,229.66
  5. Step 5: Solve for x
    x = 3,047,201,229.66/53,010.20
  6. Step 6: Final answer
    x = 57,483.30

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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.