Home / 30,478.33-42,058.12-17,047.27

Finding the Fourth Proportional to 30,478.33, 42,058.12 and 17,047.27

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Solution

The fourth proportional to 30,478.33, 42,058.12 and 17,047.27 is: 23,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.33 : 42,058.12 = 17,047.27 : x
  2. Step 2: Convert to fraction form
    30,478.33/42,058.12 = 17,047.27/x
  3. Step 3: Cross multiply
    30,478.33x = 42,058.12 × 17,047.27
  4. Step 4: Simplify right side
    30,478.33x = 716,976,127.33
  5. Step 5: Solve for x
    x = 716,976,127.33/30,478.33
  6. Step 6: Final answer
    x = 23,524.13

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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.