Home / 47,138.02-70,745.91-19,455.46

Finding the Fourth Proportional to 47,138.02, 70,745.91 and 19,455.46

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Solution

The fourth proportional to 47,138.02, 70,745.91 and 19,455.46 is: 29,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.02 : 70,745.91 = 19,455.46 : x
  2. Step 2: Convert to fraction form
    47,138.02/70,745.91 = 19,455.46/x
  3. Step 3: Cross multiply
    47,138.02x = 70,745.91 × 19,455.46
  4. Step 4: Simplify right side
    47,138.02x = 1,376,394,222.17
  5. Step 5: Solve for x
    x = 1,376,394,222.17/47,138.02
  6. Step 6: Final answer
    x = 29,199.24

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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.