Home / 56,228.31-77,557.50-40,889.07

Finding the Fourth Proportional to 56,228.31, 77,557.50 and 40,889.07

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Solution

The fourth proportional to 56,228.31, 77,557.50 and 40,889.07 is: 56,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.31 : 77,557.50 = 40,889.07 : x
  2. Step 2: Convert to fraction form
    56,228.31/77,557.50 = 40,889.07/x
  3. Step 3: Cross multiply
    56,228.31x = 77,557.50 × 40,889.07
  4. Step 4: Simplify right side
    56,228.31x = 3,171,254,046.53
  5. Step 5: Solve for x
    x = 3,171,254,046.53/56,228.31
  6. Step 6: Final answer
    x = 56,399.60

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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.