Home / 36,779.12-55,152.30-10,477.64

Finding the Fourth Proportional to 36,779.12, 55,152.30 and 10,477.64

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Solution

The fourth proportional to 36,779.12, 55,152.30 and 10,477.64 is: 15,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.12 : 55,152.30 = 10,477.64 : x
  2. Step 2: Convert to fraction form
    36,779.12/55,152.30 = 10,477.64/x
  3. Step 3: Cross multiply
    36,779.12x = 55,152.30 × 10,477.64
  4. Step 4: Simplify right side
    36,779.12x = 577,865,944.57
  5. Step 5: Solve for x
    x = 577,865,944.57/36,779.12
  6. Step 6: Final answer
    x = 15,711.79

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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.