Home / 39,432.49-59,158.15-13,137.46

Finding the Fourth Proportional to 39,432.49, 59,158.15 and 13,137.46

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Solution

The fourth proportional to 39,432.49, 59,158.15 and 13,137.46 is: 19,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.49 : 59,158.15 = 13,137.46 : x
  2. Step 2: Convert to fraction form
    39,432.49/59,158.15 = 13,137.46/x
  3. Step 3: Cross multiply
    39,432.49x = 59,158.15 × 13,137.46
  4. Step 4: Simplify right side
    39,432.49x = 777,187,648.56
  5. Step 5: Solve for x
    x = 777,187,648.56/39,432.49
  6. Step 6: Final answer
    x = 19,709.32

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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.