Home / 55,465.47-76,542.32-30,314.97

Finding the Fourth Proportional to 55,465.47, 76,542.32 and 30,314.97

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Solution

The fourth proportional to 55,465.47, 76,542.32 and 30,314.97 is: 41,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465.47 : 76,542.32 = 30,314.97 : x
  2. Step 2: Convert to fraction form
    55,465.47/76,542.32 = 30,314.97/x
  3. Step 3: Cross multiply
    55,465.47x = 76,542.32 × 30,314.97
  4. Step 4: Simplify right side
    55,465.47x = 2,320,378,210.32
  5. Step 5: Solve for x
    x = 2,320,378,210.32/55,465.47
  6. Step 6: Final answer
    x = 41,834.64

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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.