Home / 32,376.64-44,686.41-20,431.96

Finding the Fourth Proportional to 32,376.64, 44,686.41 and 20,431.96

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Solution

The fourth proportional to 32,376.64, 44,686.41 and 20,431.96 is: 28,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,376.64 : 44,686.41 = 20,431.96 : x
  2. Step 2: Convert to fraction form
    32,376.64/44,686.41 = 20,431.96/x
  3. Step 3: Cross multiply
    32,376.64x = 44,686.41 × 20,431.96
  4. Step 4: Simplify right side
    32,376.64x = 913,030,941.66
  5. Step 5: Solve for x
    x = 913,030,941.66/32,376.64
  6. Step 6: Final answer
    x = 28,200.30

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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.