Home / 55,392.60-76,441.40-30,242.10

Finding the Fourth Proportional to 55,392.60, 76,441.40 and 30,242.10

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Solution

The fourth proportional to 55,392.60, 76,441.40 and 30,242.10 is: 41,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,392.60 : 76,441.40 = 30,242.10 : x
  2. Step 2: Convert to fraction form
    55,392.60/76,441.40 = 30,242.10/x
  3. Step 3: Cross multiply
    55,392.60x = 76,441.40 × 30,242.10
  4. Step 4: Simplify right side
    55,392.60x = 2,311,748,711.79
  5. Step 5: Solve for x
    x = 2,311,748,711.79/55,392.60
  6. Step 6: Final answer
    x = 41,733.89

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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.