Home / 38,206.83-52,731.69-21,216.51

Finding the Fourth Proportional to 38,206.83, 52,731.69 and 21,216.51

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Solution

The fourth proportional to 38,206.83, 52,731.69 and 21,216.51 is: 29,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206.83 : 52,731.69 = 21,216.51 : x
  2. Step 2: Convert to fraction form
    38,206.83/52,731.69 = 21,216.51/x
  3. Step 3: Cross multiply
    38,206.83x = 52,731.69 × 21,216.51
  4. Step 4: Simplify right side
    38,206.83x = 1,118,782,428.20
  5. Step 5: Solve for x
    x = 1,118,782,428.20/38,206.83
  6. Step 6: Final answer
    x = 29,282.26

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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.