Home / 39,393.17-54,362.93-21,488.26

Finding the Fourth Proportional to 39,393.17, 54,362.93 and 21,488.26

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Solution

The fourth proportional to 39,393.17, 54,362.93 and 21,488.26 is: 29,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.17 : 54,362.93 = 21,488.26 : x
  2. Step 2: Convert to fraction form
    39,393.17/54,362.93 = 21,488.26/x
  3. Step 3: Cross multiply
    39,393.17x = 54,362.93 × 21,488.26
  4. Step 4: Simplify right side
    39,393.17x = 1,168,164,530.85
  5. Step 5: Solve for x
    x = 1,168,164,530.85/39,393.17
  6. Step 6: Final answer
    x = 29,653.98

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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.