Home / 55,434.12-76,476.43-40,933.05

Finding the Fourth Proportional to 55,434.12, 76,476.43 and 40,933.05

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Solution

The fourth proportional to 55,434.12, 76,476.43 and 40,933.05 is: 56,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.12 : 76,476.43 = 40,933.05 : x
  2. Step 2: Convert to fraction form
    55,434.12/76,476.43 = 40,933.05/x
  3. Step 3: Cross multiply
    55,434.12x = 76,476.43 × 40,933.05
  4. Step 4: Simplify right side
    55,434.12x = 3,130,413,143.89
  5. Step 5: Solve for x
    x = 3,130,413,143.89/55,434.12
  6. Step 6: Final answer
    x = 56,470.88

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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.