Home / 32,445.40-44,758.56-20,956.36

Finding the Fourth Proportional to 32,445.40, 44,758.56 and 20,956.36

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Solution

The fourth proportional to 32,445.40, 44,758.56 and 20,956.36 is: 28,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.40 : 44,758.56 = 20,956.36 : x
  2. Step 2: Convert to fraction form
    32,445.40/44,758.56 = 20,956.36/x
  3. Step 3: Cross multiply
    32,445.40x = 44,758.56 × 20,956.36
  4. Step 4: Simplify right side
    32,445.40x = 937,976,496.44
  5. Step 5: Solve for x
    x = 937,976,496.44/32,445.40
  6. Step 6: Final answer
    x = 28,909.38

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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.