Home / 36,931.96-55,409.59-28,089.64

Finding the Fourth Proportional to 36,931.96, 55,409.59 and 28,089.64

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Solution

The fourth proportional to 36,931.96, 55,409.59 and 28,089.64 is: 42,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.96 : 55,409.59 = 28,089.64 : x
  2. Step 2: Convert to fraction form
    36,931.96/55,409.59 = 28,089.64/x
  3. Step 3: Cross multiply
    36,931.96x = 55,409.59 × 28,089.64
  4. Step 4: Simplify right side
    36,931.96x = 1,556,435,295.20
  5. Step 5: Solve for x
    x = 1,556,435,295.20/36,931.96
  6. Step 6: Final answer
    x = 42,143.32

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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.