Home / 45,002.41-62,103.78-31,410.20

Finding the Fourth Proportional to 45,002.41, 62,103.78 and 31,410.20

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Solution

The fourth proportional to 45,002.41, 62,103.78 and 31,410.20 is: 43,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,002.41 : 62,103.78 = 31,410.20 : x
  2. Step 2: Convert to fraction form
    45,002.41/62,103.78 = 31,410.20/x
  3. Step 3: Cross multiply
    45,002.41x = 62,103.78 × 31,410.20
  4. Step 4: Simplify right side
    45,002.41x = 1,950,692,305.82
  5. Step 5: Solve for x
    x = 1,950,692,305.82/45,002.41
  6. Step 6: Final answer
    x = 43,346.40

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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.