Home / 39,083.04-58,631.76-12,789.24

Finding the Fourth Proportional to 39,083.04, 58,631.76 and 12,789.24

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Solution

The fourth proportional to 39,083.04, 58,631.76 and 12,789.24 is: 19,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083.04 : 58,631.76 = 12,789.24 : x
  2. Step 2: Convert to fraction form
    39,083.04/58,631.76 = 12,789.24/x
  3. Step 3: Cross multiply
    39,083.04x = 58,631.76 × 12,789.24
  4. Step 4: Simplify right side
    39,083.04x = 749,855,650.26
  5. Step 5: Solve for x
    x = 749,855,650.26/39,083.04
  6. Step 6: Final answer
    x = 19,186.22

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1.5x scale

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.