Home / 45,190.24-62,331.28-31,018.48

Finding the Fourth Proportional to 45,190.24, 62,331.28 and 31,018.48

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Solution

The fourth proportional to 45,190.24, 62,331.28 and 31,018.48 is: 42,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.24 : 62,331.28 = 31,018.48 : x
  2. Step 2: Convert to fraction form
    45,190.24/62,331.28 = 31,018.48/x
  3. Step 3: Cross multiply
    45,190.24x = 62,331.28 × 31,018.48
  4. Step 4: Simplify right side
    45,190.24x = 1,933,421,562.05
  5. Step 5: Solve for x
    x = 1,933,421,562.05/45,190.24
  6. Step 6: Final answer
    x = 42,784.05

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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.