Home / 55,809.60-83,513.91-40,981.74

Finding the Fourth Proportional to 55,809.60, 83,513.91 and 40,981.74

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Solution

The fourth proportional to 55,809.60, 83,513.91 and 40,981.74 is: 61,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,809.60 : 83,513.91 = 40,981.74 : x
  2. Step 2: Convert to fraction form
    55,809.60/83,513.91 = 40,981.74/x
  3. Step 3: Cross multiply
    55,809.60x = 83,513.91 × 40,981.74
  4. Step 4: Simplify right side
    55,809.60x = 3,422,545,346.00
  5. Step 5: Solve for x
    x = 3,422,545,346.00/55,809.60
  6. Step 6: Final answer
    x = 61,325.39

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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.