Home / 32,848.10-45,313.32-20,890.68

Finding the Fourth Proportional to 32,848.10, 45,313.32 and 20,890.68

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Solution

The fourth proportional to 32,848.10, 45,313.32 and 20,890.68 is: 28,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,848.10 : 45,313.32 = 20,890.68 : x
  2. Step 2: Convert to fraction form
    32,848.10/45,313.32 = 20,890.68/x
  3. Step 3: Cross multiply
    32,848.10x = 45,313.32 × 20,890.68
  4. Step 4: Simplify right side
    32,848.10x = 946,626,067.86
  5. Step 5: Solve for x
    x = 946,626,067.86/32,848.10
  6. Step 6: Final answer
    x = 28,818.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.