Home / 20,011.32-30,018.47-5,970.24

Finding the Fourth Proportional to 20,011.32, 30,018.47 and 5,970.24

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Solution

The fourth proportional to 20,011.32, 30,018.47 and 5,970.24 is: 8,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.32 : 30,018.47 = 5,970.24 : x
  2. Step 2: Convert to fraction form
    20,011.32/30,018.47 = 5,970.24/x
  3. Step 3: Cross multiply
    20,011.32x = 30,018.47 × 5,970.24
  4. Step 4: Simplify right side
    20,011.32x = 179,217,470.33
  5. Step 5: Solve for x
    x = 179,217,470.33/20,011.32
  6. Step 6: Final answer
    x = 8,955.80

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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.