Home / 53,289.09-79,916.98-17,742.11

Finding the Fourth Proportional to 53,289.09, 79,916.98 and 17,742.11

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Solution

The fourth proportional to 53,289.09, 79,916.98 and 17,742.11 is: 26,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.09 : 79,916.98 = 17,742.11 : x
  2. Step 2: Convert to fraction form
    53,289.09/79,916.98 = 17,742.11/x
  3. Step 3: Cross multiply
    53,289.09x = 79,916.98 × 17,742.11
  4. Step 4: Simplify right side
    53,289.09x = 1,417,895,439.35
  5. Step 5: Solve for x
    x = 1,417,895,439.35/53,289.09
  6. Step 6: Final answer
    x = 26,607.61

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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.