Home / 51,688.02-77,532.33-18,409.38

Finding the Fourth Proportional to 51,688.02, 77,532.33 and 18,409.38

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Solution

The fourth proportional to 51,688.02, 77,532.33 and 18,409.38 is: 27,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688.02 : 77,532.33 = 18,409.38 : x
  2. Step 2: Convert to fraction form
    51,688.02/77,532.33 = 18,409.38/x
  3. Step 3: Cross multiply
    51,688.02x = 77,532.33 × 18,409.38
  4. Step 4: Simplify right side
    51,688.02x = 1,427,322,125.26
  5. Step 5: Solve for x
    x = 1,427,322,125.26/51,688.02
  6. Step 6: Final answer
    x = 27,614.18

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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.