Home / 20,159.58-30,248.03-7,004.78

Finding the Fourth Proportional to 20,159.58, 30,248.03 and 7,004.78

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Solution

The fourth proportional to 20,159.58, 30,248.03 and 7,004.78 is: 10,510.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.58 : 30,248.03 = 7,004.78 : x
  2. Step 2: Convert to fraction form
    20,159.58/30,248.03 = 7,004.78/x
  3. Step 3: Cross multiply
    20,159.58x = 30,248.03 × 7,004.78
  4. Step 4: Simplify right side
    20,159.58x = 211,880,775.29
  5. Step 5: Solve for x
    x = 211,880,775.29/20,159.58
  6. Step 6: Final answer
    x = 10,510.18

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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.