Home / 55,835.04-77,052.96-30,684

Finding the Fourth Proportional to 55,835.04, 77,052.96 and 30,684

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Solution

The fourth proportional to 55,835.04, 77,052.96 and 30,684 is: 42,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.04 : 77,052.96 = 30,684 : x
  2. Step 2: Convert to fraction form
    55,835.04/77,052.96 = 30,684/x
  3. Step 3: Cross multiply
    55,835.04x = 77,052.96 × 30,684
  4. Step 4: Simplify right side
    55,835.04x = 2,364,293,024.64
  5. Step 5: Solve for x
    x = 2,364,293,024.64/55,835.04
  6. Step 6: Final answer
    x = 42,344.25

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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.