Home / 34,719.48-47,916.78-19,613.12

Finding the Fourth Proportional to 34,719.48, 47,916.78 and 19,613.12

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Solution

The fourth proportional to 34,719.48, 47,916.78 and 19,613.12 is: 27,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.48 : 47,916.78 = 19,613.12 : x
  2. Step 2: Convert to fraction form
    34,719.48/47,916.78 = 19,613.12/x
  3. Step 3: Cross multiply
    34,719.48x = 47,916.78 × 19,613.12
  4. Step 4: Simplify right side
    34,719.48x = 939,797,316.57
  5. Step 5: Solve for x
    x = 939,797,316.57/34,719.48
  6. Step 6: Final answer
    x = 27,068.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.