Home / 55,881.12-77,052.96-40,747.08

Finding the Fourth Proportional to 55,881.12, 77,052.96 and 40,747.08

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Solution

The fourth proportional to 55,881.12, 77,052.96 and 40,747.08 is: 56,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,881.12 : 77,052.96 = 40,747.08 : x
  2. Step 2: Convert to fraction form
    55,881.12/77,052.96 = 40,747.08/x
  3. Step 3: Cross multiply
    55,881.12x = 77,052.96 × 40,747.08
  4. Step 4: Simplify right side
    55,881.12x = 3,139,683,125.36
  5. Step 5: Solve for x
    x = 3,139,683,125.36/55,881.12
  6. Step 6: Final answer
    x = 56,185.04

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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.