Home / 39,143.18-58,689.79-25,800.77

Finding the Fourth Proportional to 39,143.18, 58,689.79 and 25,800.77

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Solution

The fourth proportional to 39,143.18, 58,689.79 and 25,800.77 is: 38,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.18 : 58,689.79 = 25,800.77 : x
  2. Step 2: Convert to fraction form
    39,143.18/58,689.79 = 25,800.77/x
  3. Step 3: Cross multiply
    39,143.18x = 58,689.79 × 25,800.77
  4. Step 4: Simplify right side
    39,143.18x = 1,514,241,415.19
  5. Step 5: Solve for x
    x = 1,514,241,415.19/39,143.18
  6. Step 6: Final answer
    x = 38,684.69

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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.