Home / 39,488.04-54,490.59-21,583.26

Finding the Fourth Proportional to 39,488.04, 54,490.59 and 21,583.26

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Solution

The fourth proportional to 39,488.04, 54,490.59 and 21,583.26 is: 29,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.04 : 54,490.59 = 21,583.26 : x
  2. Step 2: Convert to fraction form
    39,488.04/54,490.59 = 21,583.26/x
  3. Step 3: Cross multiply
    39,488.04x = 54,490.59 × 21,583.26
  4. Step 4: Simplify right side
    39,488.04x = 1,176,084,571.52
  5. Step 5: Solve for x
    x = 1,176,084,571.52/39,488.04
  6. Step 6: Final answer
    x = 29,783.31

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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.