Home / 30,344.60-41,874.95-16,915.05

Finding the Fourth Proportional to 30,344.60, 41,874.95 and 16,915.05

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Solution

The fourth proportional to 30,344.60, 41,874.95 and 16,915.05 is: 23,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.60 : 41,874.95 = 16,915.05 : x
  2. Step 2: Convert to fraction form
    30,344.60/41,874.95 = 16,915.05/x
  3. Step 3: Cross multiply
    30,344.60x = 41,874.95 × 16,915.05
  4. Step 4: Simplify right side
    30,344.60x = 708,316,985.48
  5. Step 5: Solve for x
    x = 708,316,985.48/30,344.60
  6. Step 6: Final answer
    x = 23,342.44

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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.