Home / 47,174.23-65,127.41-31,280.28

Finding the Fourth Proportional to 47,174.23, 65,127.41 and 31,280.28

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Solution

The fourth proportional to 47,174.23, 65,127.41 and 31,280.28 is: 43,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.23 : 65,127.41 = 31,280.28 : x
  2. Step 2: Convert to fraction form
    47,174.23/65,127.41 = 31,280.28/x
  3. Step 3: Cross multiply
    47,174.23x = 65,127.41 × 31,280.28
  4. Step 4: Simplify right side
    47,174.23x = 2,037,203,620.47
  5. Step 5: Solve for x
    x = 2,037,203,620.47/47,174.23
  6. Step 6: Final answer
    x = 43,184.67

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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.