Home / 55,292.40-76,303.50-30,141.90

Finding the Fourth Proportional to 55,292.40, 76,303.50 and 30,141.90

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Solution

The fourth proportional to 55,292.40, 76,303.50 and 30,141.90 is: 41,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.40 : 76,303.50 = 30,141.90 : x
  2. Step 2: Convert to fraction form
    55,292.40/76,303.50 = 30,141.90/x
  3. Step 3: Cross multiply
    55,292.40x = 76,303.50 × 30,141.90
  4. Step 4: Simplify right side
    55,292.40x = 2,299,932,466.65
  5. Step 5: Solve for x
    x = 2,299,932,466.65/55,292.40
  6. Step 6: Final answer
    x = 41,595.82

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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.