Home / 37,400.15-51,612.35-20,404.77

Finding the Fourth Proportional to 37,400.15, 51,612.35 and 20,404.77

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Solution

The fourth proportional to 37,400.15, 51,612.35 and 20,404.77 is: 28,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,400.15 : 51,612.35 = 20,404.77 : x
  2. Step 2: Convert to fraction form
    37,400.15/51,612.35 = 20,404.77/x
  3. Step 3: Cross multiply
    37,400.15x = 51,612.35 × 20,404.77
  4. Step 4: Simplify right side
    37,400.15x = 1,053,138,028.89
  5. Step 5: Solve for x
    x = 1,053,138,028.89/37,400.15
  6. Step 6: Final answer
    x = 28,158.66

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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.