Home / 36,779.80-55,153.34-10,478.60

Finding the Fourth Proportional to 36,779.80, 55,153.34 and 10,478.60

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Solution

The fourth proportional to 36,779.80, 55,153.34 and 10,478.60 is: 15,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.80 : 55,153.34 = 10,478.60 : x
  2. Step 2: Convert to fraction form
    36,779.80/55,153.34 = 10,478.60/x
  3. Step 3: Cross multiply
    36,779.80x = 55,153.34 × 10,478.60
  4. Step 4: Simplify right side
    36,779.80x = 577,929,788.52
  5. Step 5: Solve for x
    x = 577,929,788.52/36,779.80
  6. Step 6: Final answer
    x = 15,713.24

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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.