Home / 45,225.40-62,345.50-31,755.64

Finding the Fourth Proportional to 45,225.40, 62,345.50 and 31,755.64

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Solution

The fourth proportional to 45,225.40, 62,345.50 and 31,755.64 is: 43,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.40 : 62,345.50 = 31,755.64 : x
  2. Step 2: Convert to fraction form
    45,225.40/62,345.50 = 31,755.64/x
  3. Step 3: Cross multiply
    45,225.40x = 62,345.50 × 31,755.64
  4. Step 4: Simplify right side
    45,225.40x = 1,979,821,253.62
  5. Step 5: Solve for x
    x = 1,979,821,253.62/45,225.40
  6. Step 6: Final answer
    x = 43,776.75

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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.