Home / 20,530.46-30,831.23-19,595.52

Finding the Fourth Proportional to 20,530.46, 30,831.23 and 19,595.52

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Solution

The fourth proportional to 20,530.46, 30,831.23 and 19,595.52 is: 29,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530.46 : 30,831.23 = 19,595.52 : x
  2. Step 2: Convert to fraction form
    20,530.46/30,831.23 = 19,595.52/x
  3. Step 3: Cross multiply
    20,530.46x = 30,831.23 × 19,595.52
  4. Step 4: Simplify right side
    20,530.46x = 604,154,033.08
  5. Step 5: Solve for x
    x = 604,154,033.08/20,530.46
  6. Step 6: Final answer
    x = 29,427.20

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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.