Home / 31,646.53-47,428.26-23,287.40

Finding the Fourth Proportional to 31,646.53, 47,428.26 and 23,287.40

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Solution

The fourth proportional to 31,646.53, 47,428.26 and 23,287.40 is: 34,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.53 : 47,428.26 = 23,287.40 : x
  2. Step 2: Convert to fraction form
    31,646.53/47,428.26 = 23,287.40/x
  3. Step 3: Cross multiply
    31,646.53x = 47,428.26 × 23,287.40
  4. Step 4: Simplify right side
    31,646.53x = 1,104,480,861.92
  5. Step 5: Solve for x
    x = 1,104,480,861.92/31,646.53
  6. Step 6: Final answer
    x = 34,900.54

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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.