Home / 55,902.09-77,137.87-37,792.21

Finding the Fourth Proportional to 55,902.09, 77,137.87 and 37,792.21

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Solution

The fourth proportional to 55,902.09, 77,137.87 and 37,792.21 is: 52,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,902.09 : 77,137.87 = 37,792.21 : x
  2. Step 2: Convert to fraction form
    55,902.09/77,137.87 = 37,792.21/x
  3. Step 3: Cross multiply
    55,902.09x = 77,137.87 × 37,792.21
  4. Step 4: Simplify right side
    55,902.09x = 2,915,210,581.99
  5. Step 5: Solve for x
    x = 2,915,210,581.99/55,902.09
  6. Step 6: Final answer
    x = 52,148.51

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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.