Home / 40,711.87-61,088.69-19,388.71

Finding the Fourth Proportional to 40,711.87, 61,088.69 and 19,388.71

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Solution

The fourth proportional to 40,711.87, 61,088.69 and 19,388.71 is: 29,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.87 : 61,088.69 = 19,388.71 : x
  2. Step 2: Convert to fraction form
    40,711.87/61,088.69 = 19,388.71/x
  3. Step 3: Cross multiply
    40,711.87x = 61,088.69 × 19,388.71
  4. Step 4: Simplify right side
    40,711.87x = 1,184,430,894.69
  5. Step 5: Solve for x
    x = 1,184,430,894.69/40,711.87
  6. Step 6: Final answer
    x = 29,093.01

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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.