Home / 32,323.28-44,631.96-20,998.40

Finding the Fourth Proportional to 32,323.28, 44,631.96 and 20,998.40

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Solution

The fourth proportional to 32,323.28, 44,631.96 and 20,998.40 is: 28,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,323.28 : 44,631.96 = 20,998.40 : x
  2. Step 2: Convert to fraction form
    32,323.28/44,631.96 = 20,998.40/x
  3. Step 3: Cross multiply
    32,323.28x = 44,631.96 × 20,998.40
  4. Step 4: Simplify right side
    32,323.28x = 937,199,748.86
  5. Step 5: Solve for x
    x = 937,199,748.86/32,323.28
  6. Step 6: Final answer
    x = 28,994.57

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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.