Home / 82,837.63-124,256.44-20,508.13

Finding the Fourth Proportional to 82,837.63, 124,256.44 and 20,508.13

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Solution

The fourth proportional to 82,837.63, 124,256.44 and 20,508.13 is: 30,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,837.63 : 124,256.44 = 20,508.13 : x
  2. Step 2: Convert to fraction form
    82,837.63/124,256.44 = 20,508.13/x
  3. Step 3: Cross multiply
    82,837.63x = 124,256.44 × 20,508.13
  4. Step 4: Simplify right side
    82,837.63x = 2,548,267,224.86
  5. Step 5: Solve for x
    x = 2,548,267,224.86/82,837.63
  6. Step 6: Final answer
    x = 30,762.19

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1.5x scale

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.