Home / 38,277.31-52,816.30-21,281.08

Finding the Fourth Proportional to 38,277.31, 52,816.30 and 21,281.08

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Solution

The fourth proportional to 38,277.31, 52,816.30 and 21,281.08 is: 29,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.31 : 52,816.30 = 21,281.08 : x
  2. Step 2: Convert to fraction form
    38,277.31/52,816.30 = 21,281.08/x
  3. Step 3: Cross multiply
    38,277.31x = 52,816.30 × 21,281.08
  4. Step 4: Simplify right side
    38,277.31x = 1,123,987,905.60
  5. Step 5: Solve for x
    x = 1,123,987,905.60/38,277.31
  6. Step 6: Final answer
    x = 29,364.34

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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.