Home / 55,870.46-77,090.16-31,342.06

Finding the Fourth Proportional to 55,870.46, 77,090.16 and 31,342.06

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Solution

The fourth proportional to 55,870.46, 77,090.16 and 31,342.06 is: 43,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.46 : 77,090.16 = 31,342.06 : x
  2. Step 2: Convert to fraction form
    55,870.46/77,090.16 = 31,342.06/x
  3. Step 3: Cross multiply
    55,870.46x = 77,090.16 × 31,342.06
  4. Step 4: Simplify right side
    55,870.46x = 2,416,164,420.13
  5. Step 5: Solve for x
    x = 2,416,164,420.13/55,870.46
  6. Step 6: Final answer
    x = 43,245.83

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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.