Home / 30,248.31-41,743.64-16,820.13

Finding the Fourth Proportional to 30,248.31, 41,743.64 and 16,820.13

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Solution

The fourth proportional to 30,248.31, 41,743.64 and 16,820.13 is: 23,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.31 : 41,743.64 = 16,820.13 : x
  2. Step 2: Convert to fraction form
    30,248.31/41,743.64 = 16,820.13/x
  3. Step 3: Cross multiply
    30,248.31x = 41,743.64 × 16,820.13
  4. Step 4: Simplify right side
    30,248.31x = 702,133,650.06
  5. Step 5: Solve for x
    x = 702,133,650.06/30,248.31
  6. Step 6: Final answer
    x = 23,212.32

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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.