Home / 37,289.02-55,915.86-13,579.78

Finding the Fourth Proportional to 37,289.02, 55,915.86 and 13,579.78

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Solution

The fourth proportional to 37,289.02, 55,915.86 and 13,579.78 is: 20,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,289.02 : 55,915.86 = 13,579.78 : x
  2. Step 2: Convert to fraction form
    37,289.02/55,915.86 = 13,579.78/x
  3. Step 3: Cross multiply
    37,289.02x = 55,915.86 × 13,579.78
  4. Step 4: Simplify right side
    37,289.02x = 759,325,077.31
  5. Step 5: Solve for x
    x = 759,325,077.31/37,289.02
  6. Step 6: Final answer
    x = 20,363.24

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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.