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Finding the Fourth Proportional to 32,351.40, 44,643.06 and 18,203.40

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Solution

The fourth proportional to 32,351.40, 44,643.06 and 18,203.40 is: 25,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,351.40 : 44,643.06 = 18,203.40 : x
  2. Step 2: Convert to fraction form
    32,351.40/44,643.06 = 18,203.40/x
  3. Step 3: Cross multiply
    32,351.40x = 44,643.06 × 18,203.40
  4. Step 4: Simplify right side
    32,351.40x = 812,655,478.40
  5. Step 5: Solve for x
    x = 812,655,478.40/32,351.40
  6. Step 6: Final answer
    x = 25,119.64

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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.