Home / 38,016.81-52,461.06-21,020.04

Finding the Fourth Proportional to 38,016.81, 52,461.06 and 21,020.04

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Solution

The fourth proportional to 38,016.81, 52,461.06 and 21,020.04 is: 29,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.81 : 52,461.06 = 21,020.04 : x
  2. Step 2: Convert to fraction form
    38,016.81/52,461.06 = 21,020.04/x
  3. Step 3: Cross multiply
    38,016.81x = 52,461.06 × 21,020.04
  4. Step 4: Simplify right side
    38,016.81x = 1,102,733,579.64
  5. Step 5: Solve for x
    x = 1,102,733,579.64/38,016.81
  6. Step 6: Final answer
    x = 29,006.47

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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.