Home / 69,671.28-96,147.24-37,840.72

Finding the Fourth Proportional to 69,671.28, 96,147.24 and 37,840.72

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Solution

The fourth proportional to 69,671.28, 96,147.24 and 37,840.72 is: 52,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.28 : 96,147.24 = 37,840.72 : x
  2. Step 2: Convert to fraction form
    69,671.28/96,147.24 = 37,840.72/x
  3. Step 3: Cross multiply
    69,671.28x = 96,147.24 × 37,840.72
  4. Step 4: Simplify right side
    69,671.28x = 3,638,280,787.61
  5. Step 5: Solve for x
    x = 3,638,280,787.61/69,671.28
  6. Step 6: Final answer
    x = 52,220.67

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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.