Home / 36,064.64-49,760.68-20,948.32

Finding the Fourth Proportional to 36,064.64, 49,760.68 and 20,948.32

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Solution

The fourth proportional to 36,064.64, 49,760.68 and 20,948.32 is: 28,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.64 : 49,760.68 = 20,948.32 : x
  2. Step 2: Convert to fraction form
    36,064.64/49,760.68 = 20,948.32/x
  3. Step 3: Cross multiply
    36,064.64x = 49,760.68 × 20,948.32
  4. Step 4: Simplify right side
    36,064.64x = 1,042,402,657.89
  5. Step 5: Solve for x
    x = 1,042,402,657.89/36,064.64
  6. Step 6: Final answer
    x = 28,903.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.