Home / 39,012.48-53,833.32-22,015.20

Finding the Fourth Proportional to 39,012.48, 53,833.32 and 22,015.20

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Solution

The fourth proportional to 39,012.48, 53,833.32 and 22,015.20 is: 30,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.48 : 53,833.32 = 22,015.20 : x
  2. Step 2: Convert to fraction form
    39,012.48/53,833.32 = 22,015.20/x
  3. Step 3: Cross multiply
    39,012.48x = 53,833.32 × 22,015.20
  4. Step 4: Simplify right side
    39,012.48x = 1,185,151,306.46
  5. Step 5: Solve for x
    x = 1,185,151,306.46/39,012.48
  6. Step 6: Final answer
    x = 30,378.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.