Home / 53,289.84-79,918.10-17,742.86

Finding the Fourth Proportional to 53,289.84, 79,918.10 and 17,742.86

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Solution

The fourth proportional to 53,289.84, 79,918.10 and 17,742.86 is: 26,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.84 : 79,918.10 = 17,742.86 : x
  2. Step 2: Convert to fraction form
    53,289.84/79,918.10 = 17,742.86/x
  3. Step 3: Cross multiply
    53,289.84x = 79,918.10 × 17,742.86
  4. Step 4: Simplify right side
    53,289.84x = 1,417,975,304.53
  5. Step 5: Solve for x
    x = 1,417,975,304.53/53,289.84
  6. Step 6: Final answer
    x = 26,608.74

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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.