Home / 31,916.75-47,875.10-14,366.07

Finding the Fourth Proportional to 31,916.75, 47,875.10 and 14,366.07

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Solution

The fourth proportional to 31,916.75, 47,875.10 and 14,366.07 is: 21,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.75 : 47,875.10 = 14,366.07 : x
  2. Step 2: Convert to fraction form
    31,916.75/47,875.10 = 14,366.07/x
  3. Step 3: Cross multiply
    31,916.75x = 47,875.10 × 14,366.07
  4. Step 4: Simplify right side
    31,916.75x = 687,776,966.03
  5. Step 5: Solve for x
    x = 687,776,966.03/31,916.75
  6. Step 6: Final answer
    x = 21,549.09

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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.