Home / 31,967.64-47,916.48-12,237.60

Finding the Fourth Proportional to 31,967.64, 47,916.48 and 12,237.60

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Solution

The fourth proportional to 31,967.64, 47,916.48 and 12,237.60 is: 18,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.64 : 47,916.48 = 12,237.60 : x
  2. Step 2: Convert to fraction form
    31,967.64/47,916.48 = 12,237.60/x
  3. Step 3: Cross multiply
    31,967.64x = 47,916.48 × 12,237.60
  4. Step 4: Simplify right side
    31,967.64x = 586,382,715.65
  5. Step 5: Solve for x
    x = 586,382,715.65/31,967.64
  6. Step 6: Final answer
    x = 18,343.01

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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.