Home / 32,971.64-45,475.75-28,380.23

Finding the Fourth Proportional to 32,971.64, 45,475.75 and 28,380.23

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Solution

The fourth proportional to 32,971.64, 45,475.75 and 28,380.23 is: 39,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.64 : 45,475.75 = 28,380.23 : x
  2. Step 2: Convert to fraction form
    32,971.64/45,475.75 = 28,380.23/x
  3. Step 3: Cross multiply
    32,971.64x = 45,475.75 × 28,380.23
  4. Step 4: Simplify right side
    32,971.64x = 1,290,612,302.87
  5. Step 5: Solve for x
    x = 1,290,612,302.87/32,971.64
  6. Step 6: Final answer
    x = 39,143.11

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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.