Home / 20,100.29-30,117.62-19,332.41

Finding the Fourth Proportional to 20,100.29, 30,117.62 and 19,332.41

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Solution

The fourth proportional to 20,100.29, 30,117.62 and 19,332.41 is: 28,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.29 : 30,117.62 = 19,332.41 : x
  2. Step 2: Convert to fraction form
    20,100.29/30,117.62 = 19,332.41/x
  3. Step 3: Cross multiply
    20,100.29x = 30,117.62 × 19,332.41
  4. Step 4: Simplify right side
    20,100.29x = 582,246,075.81
  5. Step 5: Solve for x
    x = 582,246,075.81/20,100.29
  6. Step 6: Final answer
    x = 28,967.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.