Home / 37,916.19-52,324.83-20,921.22

Finding the Fourth Proportional to 37,916.19, 52,324.83 and 20,921.22

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Solution

The fourth proportional to 37,916.19, 52,324.83 and 20,921.22 is: 28,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916.19 : 52,324.83 = 20,921.22 : x
  2. Step 2: Convert to fraction form
    37,916.19/52,324.83 = 20,921.22/x
  3. Step 3: Cross multiply
    37,916.19x = 52,324.83 × 20,921.22
  4. Step 4: Simplify right side
    37,916.19x = 1,094,699,279.89
  5. Step 5: Solve for x
    x = 1,094,699,279.89/37,916.19
  6. Step 6: Final answer
    x = 28,871.55

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Double scale
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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.