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Finding the Fourth Proportional to 32,513.40, 48,770.10 and 16,718.40

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Solution

The fourth proportional to 32,513.40, 48,770.10 and 16,718.40 is: 25,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513.40 : 48,770.10 = 16,718.40 : x
  2. Step 2: Convert to fraction form
    32,513.40/48,770.10 = 16,718.40/x
  3. Step 3: Cross multiply
    32,513.40x = 48,770.10 × 16,718.40
  4. Step 4: Simplify right side
    32,513.40x = 815,358,039.84
  5. Step 5: Solve for x
    x = 815,358,039.84/32,513.40
  6. Step 6: Final answer
    x = 25,077.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.