Home / 37,276.03-55,915.80-12,318.31

Finding the Fourth Proportional to 37,276.03, 55,915.80 and 12,318.31

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Solution

The fourth proportional to 37,276.03, 55,915.80 and 12,318.31 is: 18,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.03 : 55,915.80 = 12,318.31 : x
  2. Step 2: Convert to fraction form
    37,276.03/55,915.80 = 12,318.31/x
  3. Step 3: Cross multiply
    37,276.03x = 55,915.80 × 12,318.31
  4. Step 4: Simplify right side
    37,276.03x = 688,788,158.30
  5. Step 5: Solve for x
    x = 688,788,158.30/37,276.03
  6. Step 6: Final answer
    x = 18,478.04

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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.