Home / 56,388.04-77,811.85-30,894.37

Finding the Fourth Proportional to 56,388.04, 77,811.85 and 30,894.37

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Solution

The fourth proportional to 56,388.04, 77,811.85 and 30,894.37 is: 42,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388.04 : 77,811.85 = 30,894.37 : x
  2. Step 2: Convert to fraction form
    56,388.04/77,811.85 = 30,894.37/x
  3. Step 3: Cross multiply
    56,388.04x = 77,811.85 × 30,894.37
  4. Step 4: Simplify right side
    56,388.04x = 2,403,948,084.28
  5. Step 5: Solve for x
    x = 2,403,948,084.28/56,388.04
  6. Step 6: Final answer
    x = 42,632.23

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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.