Home / 55,284.85-76,290.84-31,085.13

Finding the Fourth Proportional to 55,284.85, 76,290.84 and 31,085.13

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Solution

The fourth proportional to 55,284.85, 76,290.84 and 31,085.13 is: 42,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284.85 : 76,290.84 = 31,085.13 : x
  2. Step 2: Convert to fraction form
    55,284.85/76,290.84 = 31,085.13/x
  3. Step 3: Cross multiply
    55,284.85x = 76,290.84 × 31,085.13
  4. Step 4: Simplify right side
    55,284.85x = 2,371,510,556.02
  5. Step 5: Solve for x
    x = 2,371,510,556.02/55,284.85
  6. Step 6: Final answer
    x = 42,896.21

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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.