Home / 55,962.64-77,228.46-30,812.14

Finding the Fourth Proportional to 55,962.64, 77,228.46 and 30,812.14

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Solution

The fourth proportional to 55,962.64, 77,228.46 and 30,812.14 is: 42,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.64 : 77,228.46 = 30,812.14 : x
  2. Step 2: Convert to fraction form
    55,962.64/77,228.46 = 30,812.14/x
  3. Step 3: Cross multiply
    55,962.64x = 77,228.46 × 30,812.14
  4. Step 4: Simplify right side
    55,962.64x = 2,379,574,121.50
  5. Step 5: Solve for x
    x = 2,379,574,121.50/55,962.64
  6. Step 6: Final answer
    x = 42,520.76

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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.