Home / 55,028.58-75,769.40-42,977.74

Finding the Fourth Proportional to 55,028.58, 75,769.40 and 42,977.74

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Solution

The fourth proportional to 55,028.58, 75,769.40 and 42,977.74 is: 59,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.58 : 75,769.40 = 42,977.74 : x
  2. Step 2: Convert to fraction form
    55,028.58/75,769.40 = 42,977.74/x
  3. Step 3: Cross multiply
    55,028.58x = 75,769.40 × 42,977.74
  4. Step 4: Simplify right side
    55,028.58x = 3,256,397,573.16
  5. Step 5: Solve for x
    x = 3,256,397,573.16/55,028.58
  6. Step 6: Final answer
    x = 59,176.48

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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.