Home / 38,759.04-53,490.24-21,993.12

Finding the Fourth Proportional to 38,759.04, 53,490.24 and 21,993.12

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Solution

The fourth proportional to 38,759.04, 53,490.24 and 21,993.12 is: 30,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.04 : 53,490.24 = 21,993.12 : x
  2. Step 2: Convert to fraction form
    38,759.04/53,490.24 = 21,993.12/x
  3. Step 3: Cross multiply
    38,759.04x = 53,490.24 × 21,993.12
  4. Step 4: Simplify right side
    38,759.04x = 1,176,417,267.15
  5. Step 5: Solve for x
    x = 1,176,417,267.15/38,759.04
  6. Step 6: Final answer
    x = 30,352.07

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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.