Home / 39,148.98-58,721.38-13,846.74

Finding the Fourth Proportional to 39,148.98, 58,721.38 and 13,846.74

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Solution

The fourth proportional to 39,148.98, 58,721.38 and 13,846.74 is: 20,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.98 : 58,721.38 = 13,846.74 : x
  2. Step 2: Convert to fraction form
    39,148.98/58,721.38 = 13,846.74/x
  3. Step 3: Cross multiply
    39,148.98x = 58,721.38 × 13,846.74
  4. Step 4: Simplify right side
    39,148.98x = 813,099,681.30
  5. Step 5: Solve for x
    x = 813,099,681.30/39,148.98
  6. Step 6: Final answer
    x = 20,769.37

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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.