Home / 37,143.15-55,685.57-25,420.83

Finding the Fourth Proportional to 37,143.15, 55,685.57 and 25,420.83

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Solution

The fourth proportional to 37,143.15, 55,685.57 and 25,420.83 is: 38,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.15 : 55,685.57 = 25,420.83 : x
  2. Step 2: Convert to fraction form
    37,143.15/55,685.57 = 25,420.83/x
  3. Step 3: Cross multiply
    37,143.15x = 55,685.57 × 25,420.83
  4. Step 4: Simplify right side
    37,143.15x = 1,415,573,281.32
  5. Step 5: Solve for x
    x = 1,415,573,281.32/37,143.15
  6. Step 6: Final answer
    x = 38,111.29

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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.