Home / 56,100.20-77,428.34-33,440.68

Finding the Fourth Proportional to 56,100.20, 77,428.34 and 33,440.68

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Solution

The fourth proportional to 56,100.20, 77,428.34 and 33,440.68 is: 46,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.20 : 77,428.34 = 33,440.68 : x
  2. Step 2: Convert to fraction form
    56,100.20/77,428.34 = 33,440.68/x
  3. Step 3: Cross multiply
    56,100.20x = 77,428.34 × 33,440.68
  4. Step 4: Simplify right side
    56,100.20x = 2,589,256,395.86
  5. Step 5: Solve for x
    x = 2,589,256,395.86/56,100.20
  6. Step 6: Final answer
    x = 46,154.14

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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.