Home / 55,294.24-76,305.84-30,145.12

Finding the Fourth Proportional to 55,294.24, 76,305.84 and 30,145.12

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Solution

The fourth proportional to 55,294.24, 76,305.84 and 30,145.12 is: 41,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.24 : 76,305.84 = 30,145.12 : x
  2. Step 2: Convert to fraction form
    55,294.24/76,305.84 = 30,145.12/x
  3. Step 3: Cross multiply
    55,294.24x = 76,305.84 × 30,145.12
  4. Step 4: Simplify right side
    55,294.24x = 2,300,248,703.50
  5. Step 5: Solve for x
    x = 2,300,248,703.50/55,294.24
  6. Step 6: Final answer
    x = 41,600.15

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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.