Home / 53,689.95-80,501.84-18,147.91

Finding the Fourth Proportional to 53,689.95, 80,501.84 and 18,147.91

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Solution

The fourth proportional to 53,689.95, 80,501.84 and 18,147.91 is: 27,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.95 : 80,501.84 = 18,147.91 : x
  2. Step 2: Convert to fraction form
    53,689.95/80,501.84 = 18,147.91/x
  3. Step 3: Cross multiply
    53,689.95x = 80,501.84 × 18,147.91
  4. Step 4: Simplify right side
    53,689.95x = 1,460,940,147.15
  5. Step 5: Solve for x
    x = 1,460,940,147.15/53,689.95
  6. Step 6: Final answer
    x = 27,210.68

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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.