Home / 55,325.57-76,349.79-30,175.07

Finding the Fourth Proportional to 55,325.57, 76,349.79 and 30,175.07

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Solution

The fourth proportional to 55,325.57, 76,349.79 and 30,175.07 is: 41,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.57 : 76,349.79 = 30,175.07 : x
  2. Step 2: Convert to fraction form
    55,325.57/76,349.79 = 30,175.07/x
  3. Step 3: Cross multiply
    55,325.57x = 76,349.79 × 30,175.07
  4. Step 4: Simplify right side
    55,325.57x = 2,303,859,875.99
  5. Step 5: Solve for x
    x = 2,303,859,875.99/55,325.57
  6. Step 6: Final answer
    x = 41,641.87

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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.