Home / 55,652.72-76,799.92-30,158.48

Finding the Fourth Proportional to 55,652.72, 76,799.92 and 30,158.48

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Solution

The fourth proportional to 55,652.72, 76,799.92 and 30,158.48 is: 41,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.72 : 76,799.92 = 30,158.48 : x
  2. Step 2: Convert to fraction form
    55,652.72/76,799.92 = 30,158.48/x
  3. Step 3: Cross multiply
    55,652.72x = 76,799.92 × 30,158.48
  4. Step 4: Simplify right side
    55,652.72x = 2,316,168,851.32
  5. Step 5: Solve for x
    x = 2,316,168,851.32/55,652.72
  6. Step 6: Final answer
    x = 41,618.25

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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.