Home / 36,294.63-54,432.81-12,915.60

Finding the Fourth Proportional to 36,294.63, 54,432.81 and 12,915.60

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Solution

The fourth proportional to 36,294.63, 54,432.81 and 12,915.60 is: 19,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.63 : 54,432.81 = 12,915.60 : x
  2. Step 2: Convert to fraction form
    36,294.63/54,432.81 = 12,915.60/x
  3. Step 3: Cross multiply
    36,294.63x = 54,432.81 × 12,915.60
  4. Step 4: Simplify right side
    36,294.63x = 703,032,400.84
  5. Step 5: Solve for x
    x = 703,032,400.84/36,294.63
  6. Step 6: Final answer
    x = 19,370.15

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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.