Home / 55,312.03-76,331.07-30,161.53

Finding the Fourth Proportional to 55,312.03, 76,331.07 and 30,161.53

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Solution

The fourth proportional to 55,312.03, 76,331.07 and 30,161.53 is: 41,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.03 : 76,331.07 = 30,161.53 : x
  2. Step 2: Convert to fraction form
    55,312.03/76,331.07 = 30,161.53/x
  3. Step 3: Cross multiply
    55,312.03x = 76,331.07 × 30,161.53
  4. Step 4: Simplify right side
    55,312.03x = 2,302,261,857.74
  5. Step 5: Solve for x
    x = 2,302,261,857.74/55,312.03
  6. Step 6: Final answer
    x = 41,623.17

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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.