Home / 45,916.07-68,897.79-19,613.75

Finding the Fourth Proportional to 45,916.07, 68,897.79 and 19,613.75

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Solution

The fourth proportional to 45,916.07, 68,897.79 and 19,613.75 is: 29,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.07 : 68,897.79 = 19,613.75 : x
  2. Step 2: Convert to fraction form
    45,916.07/68,897.79 = 19,613.75/x
  3. Step 3: Cross multiply
    45,916.07x = 68,897.79 × 19,613.75
  4. Step 4: Simplify right side
    45,916.07x = 1,351,343,684.12
  5. Step 5: Solve for x
    x = 1,351,343,684.12/45,916.07
  6. Step 6: Final answer
    x = 29,430.74

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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.