Home / 39,315.12-58,963.08-14,351.28

Finding the Fourth Proportional to 39,315.12, 58,963.08 and 14,351.28

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Solution

The fourth proportional to 39,315.12, 58,963.08 and 14,351.28 is: 21,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.12 : 58,963.08 = 14,351.28 : x
  2. Step 2: Convert to fraction form
    39,315.12/58,963.08 = 14,351.28/x
  3. Step 3: Cross multiply
    39,315.12x = 58,963.08 × 14,351.28
  4. Step 4: Simplify right side
    39,315.12x = 846,195,670.74
  5. Step 5: Solve for x
    x = 846,195,670.74/39,315.12
  6. Step 6: Final answer
    x = 21,523.42

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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.