Home / 30,371.47-41,895.07-18,263.52

Finding the Fourth Proportional to 30,371.47, 41,895.07 and 18,263.52

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Solution

The fourth proportional to 30,371.47, 41,895.07 and 18,263.52 is: 25,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.47 : 41,895.07 = 18,263.52 : x
  2. Step 2: Convert to fraction form
    30,371.47/41,895.07 = 18,263.52/x
  3. Step 3: Cross multiply
    30,371.47x = 41,895.07 × 18,263.52
  4. Step 4: Simplify right side
    30,371.47x = 765,151,403.19
  5. Step 5: Solve for x
    x = 765,151,403.19/30,371.47
  6. Step 6: Final answer
    x = 25,193.10

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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.