Home / 55,507.68-76,602.51-30,357.18

Finding the Fourth Proportional to 55,507.68, 76,602.51 and 30,357.18

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Solution

The fourth proportional to 55,507.68, 76,602.51 and 30,357.18 is: 41,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.68 : 76,602.51 = 30,357.18 : x
  2. Step 2: Convert to fraction form
    55,507.68/76,602.51 = 30,357.18/x
  3. Step 3: Cross multiply
    55,507.68x = 76,602.51 × 30,357.18
  4. Step 4: Simplify right side
    55,507.68x = 2,325,436,184.52
  5. Step 5: Solve for x
    x = 2,325,436,184.52/55,507.68
  6. Step 6: Final answer
    x = 41,893.95

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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.