Home / 30,201.34-41,698.69-18,875.92

Finding the Fourth Proportional to 30,201.34, 41,698.69 and 18,875.92

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Solution

The fourth proportional to 30,201.34, 41,698.69 and 18,875.92 is: 26,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.34 : 41,698.69 = 18,875.92 : x
  2. Step 2: Convert to fraction form
    30,201.34/41,698.69 = 18,875.92/x
  3. Step 3: Cross multiply
    30,201.34x = 41,698.69 × 18,875.92
  4. Step 4: Simplify right side
    30,201.34x = 787,101,169.47
  5. Step 5: Solve for x
    x = 787,101,169.47/30,201.34
  6. Step 6: Final answer
    x = 26,061.80

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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.