Home / 32,707.78-45,355.01-31,599.70

Finding the Fourth Proportional to 32,707.78, 45,355.01 and 31,599.70

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Solution

The fourth proportional to 32,707.78, 45,355.01 and 31,599.70 is: 43,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.78 : 45,355.01 = 31,599.70 : x
  2. Step 2: Convert to fraction form
    32,707.78/45,355.01 = 31,599.70/x
  3. Step 3: Cross multiply
    32,707.78x = 45,355.01 × 31,599.70
  4. Step 4: Simplify right side
    32,707.78x = 1,433,204,709.50
  5. Step 5: Solve for x
    x = 1,433,204,709.50/32,707.78
  6. Step 6: Final answer
    x = 43,818.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.