Home / 38,320.98-52,881.90-21,324.36

Finding the Fourth Proportional to 38,320.98, 52,881.90 and 21,324.36

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Solution

The fourth proportional to 38,320.98, 52,881.90 and 21,324.36 is: 29,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.98 : 52,881.90 = 21,324.36 : x
  2. Step 2: Convert to fraction form
    38,320.98/52,881.90 = 21,324.36/x
  3. Step 3: Cross multiply
    38,320.98x = 52,881.90 × 21,324.36
  4. Step 4: Simplify right side
    38,320.98x = 1,127,672,673.08
  5. Step 5: Solve for x
    x = 1,127,672,673.08/38,320.98
  6. Step 6: Final answer
    x = 29,427.03

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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.