Home / 55,443.15-76,511.79-30,292.65

Finding the Fourth Proportional to 55,443.15, 76,511.79 and 30,292.65

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Solution

The fourth proportional to 55,443.15, 76,511.79 and 30,292.65 is: 41,803.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,443.15 : 76,511.79 = 30,292.65 : x
  2. Step 2: Convert to fraction form
    55,443.15/76,511.79 = 30,292.65/x
  3. Step 3: Cross multiply
    55,443.15x = 76,511.79 × 30,292.65
  4. Step 4: Simplify right side
    55,443.15x = 2,317,744,875.34
  5. Step 5: Solve for x
    x = 2,317,744,875.34/55,443.15
  6. Step 6: Final answer
    x = 41,803.99

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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.