Home / 55,058.18-75,977.75-31,185.05

Finding the Fourth Proportional to 55,058.18, 75,977.75 and 31,185.05

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Solution

The fourth proportional to 55,058.18, 75,977.75 and 31,185.05 is: 43,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,058.18 : 75,977.75 = 31,185.05 : x
  2. Step 2: Convert to fraction form
    55,058.18/75,977.75 = 31,185.05/x
  3. Step 3: Cross multiply
    55,058.18x = 75,977.75 × 31,185.05
  4. Step 4: Simplify right side
    55,058.18x = 2,369,369,882.67
  5. Step 5: Solve for x
    x = 2,369,369,882.67/55,058.18
  6. Step 6: Final answer
    x = 43,033.93

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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.