Home / 40,688.25-61,032.39-19,624.38

Finding the Fourth Proportional to 40,688.25, 61,032.39 and 19,624.38

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Solution

The fourth proportional to 40,688.25, 61,032.39 and 19,624.38 is: 29,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.25 : 61,032.39 = 19,624.38 : x
  2. Step 2: Convert to fraction form
    40,688.25/61,032.39 = 19,624.38/x
  3. Step 3: Cross multiply
    40,688.25x = 61,032.39 × 19,624.38
  4. Step 4: Simplify right side
    40,688.25x = 1,197,722,813.67
  5. Step 5: Solve for x
    x = 1,197,722,813.67/40,688.25
  6. Step 6: Final answer
    x = 29,436.58

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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.