Home / 55,686.12-76,846.62-30,535.56

Finding the Fourth Proportional to 55,686.12, 76,846.62 and 30,535.56

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Solution

The fourth proportional to 55,686.12, 76,846.62 and 30,535.56 is: 42,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.12 : 76,846.62 = 30,535.56 : x
  2. Step 2: Convert to fraction form
    55,686.12/76,846.62 = 30,535.56/x
  3. Step 3: Cross multiply
    55,686.12x = 76,846.62 × 30,535.56
  4. Step 4: Simplify right side
    55,686.12x = 2,346,554,575.81
  5. Step 5: Solve for x
    x = 2,346,554,575.81/55,686.12
  6. Step 6: Final answer
    x = 42,138.95

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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.