Home / 53,319-79,948.72-33,555.20

Finding the Fourth Proportional to 53,319, 79,948.72 and 33,555.20

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Solution

The fourth proportional to 53,319, 79,948.72 and 33,555.20 is: 50,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319 : 79,948.72 = 33,555.20 : x
  2. Step 2: Convert to fraction form
    53,319/79,948.72 = 33,555.20/x
  3. Step 3: Cross multiply
    53,319x = 79,948.72 × 33,555.20
  4. Step 4: Simplify right side
    53,319x = 2,682,695,289.34
  5. Step 5: Solve for x
    x = 2,682,695,289.34/53,319
  6. Step 6: Final answer
    x = 50,314.06

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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.