Home / 56,011.52-77,243.96-40,880.23

Finding the Fourth Proportional to 56,011.52, 77,243.96 and 40,880.23

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Solution

The fourth proportional to 56,011.52, 77,243.96 and 40,880.23 is: 56,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.52 : 77,243.96 = 40,880.23 : x
  2. Step 2: Convert to fraction form
    56,011.52/77,243.96 = 40,880.23/x
  3. Step 3: Cross multiply
    56,011.52x = 77,243.96 × 40,880.23
  4. Step 4: Simplify right side
    56,011.52x = 3,157,750,760.00
  5. Step 5: Solve for x
    x = 3,157,750,760.00/56,011.52
  6. Step 6: Final answer
    x = 56,376.81

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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.