Home / 55,564.48-76,688.88-31,372.80

Finding the Fourth Proportional to 55,564.48, 76,688.88 and 31,372.80

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Solution

The fourth proportional to 55,564.48, 76,688.88 and 31,372.80 is: 43,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.48 : 76,688.88 = 31,372.80 : x
  2. Step 2: Convert to fraction form
    55,564.48/76,688.88 = 31,372.80/x
  3. Step 3: Cross multiply
    55,564.48x = 76,688.88 × 31,372.80
  4. Step 4: Simplify right side
    55,564.48x = 2,405,944,894.46
  5. Step 5: Solve for x
    x = 2,405,944,894.46/55,564.48
  6. Step 6: Final answer
    x = 43,300.05

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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.