Home / 34,330.87-47,352.13-31,507.35

Finding the Fourth Proportional to 34,330.87, 47,352.13 and 31,507.35

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Solution

The fourth proportional to 34,330.87, 47,352.13 and 31,507.35 is: 43,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,330.87 : 47,352.13 = 31,507.35 : x
  2. Step 2: Convert to fraction form
    34,330.87/47,352.13 = 31,507.35/x
  3. Step 3: Cross multiply
    34,330.87x = 47,352.13 × 31,507.35
  4. Step 4: Simplify right side
    34,330.87x = 1,491,939,876.82
  5. Step 5: Solve for x
    x = 1,491,939,876.82/34,330.87
  6. Step 6: Final answer
    x = 43,457.68

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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.