Home / 55,651.09-76,798.74-30,157.51

Finding the Fourth Proportional to 55,651.09, 76,798.74 and 30,157.51

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Solution

The fourth proportional to 55,651.09, 76,798.74 and 30,157.51 is: 41,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.09 : 76,798.74 = 30,157.51 : x
  2. Step 2: Convert to fraction form
    55,651.09/76,798.74 = 30,157.51/x
  3. Step 3: Cross multiply
    55,651.09x = 76,798.74 × 30,157.51
  4. Step 4: Simplify right side
    55,651.09x = 2,316,058,769.54
  5. Step 5: Solve for x
    x = 2,316,058,769.54/55,651.09
  6. Step 6: Final answer
    x = 41,617.49

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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.