Home / 20,445.06-30,669.21-5,655.27

Finding the Fourth Proportional to 20,445.06, 30,669.21 and 5,655.27

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Solution

The fourth proportional to 20,445.06, 30,669.21 and 5,655.27 is: 8,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.06 : 30,669.21 = 5,655.27 : x
  2. Step 2: Convert to fraction form
    20,445.06/30,669.21 = 5,655.27/x
  3. Step 3: Cross multiply
    20,445.06x = 30,669.21 × 5,655.27
  4. Step 4: Simplify right side
    20,445.06x = 173,442,663.24
  5. Step 5: Solve for x
    x = 173,442,663.24/20,445.06
  6. Step 6: Final answer
    x = 8,483.35

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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.