Home / 37,261.62-55,878.91-20,407.15

Finding the Fourth Proportional to 37,261.62, 55,878.91 and 20,407.15

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Solution

The fourth proportional to 37,261.62, 55,878.91 and 20,407.15 is: 30,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.62 : 55,878.91 = 20,407.15 : x
  2. Step 2: Convert to fraction form
    37,261.62/55,878.91 = 20,407.15/x
  3. Step 3: Cross multiply
    37,261.62x = 55,878.91 × 20,407.15
  4. Step 4: Simplify right side
    37,261.62x = 1,140,329,298.21
  5. Step 5: Solve for x
    x = 1,140,329,298.21/37,261.62
  6. Step 6: Final answer
    x = 30,603.32

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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.