Home / 55,063.14-76,019.40-39,941.28

Finding the Fourth Proportional to 55,063.14, 76,019.40 and 39,941.28

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Solution

The fourth proportional to 55,063.14, 76,019.40 and 39,941.28 is: 55,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,063.14 : 76,019.40 = 39,941.28 : x
  2. Step 2: Convert to fraction form
    55,063.14/76,019.40 = 39,941.28/x
  3. Step 3: Cross multiply
    55,063.14x = 76,019.40 × 39,941.28
  4. Step 4: Simplify right side
    55,063.14x = 3,036,312,140.83
  5. Step 5: Solve for x
    x = 3,036,312,140.83/55,063.14
  6. Step 6: Final answer
    x = 55,142.37

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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.