Home / 40,787.47-56,289.63-22,639.15

Finding the Fourth Proportional to 40,787.47, 56,289.63 and 22,639.15

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Solution

The fourth proportional to 40,787.47, 56,289.63 and 22,639.15 is: 31,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.47 : 56,289.63 = 22,639.15 : x
  2. Step 2: Convert to fraction form
    40,787.47/56,289.63 = 22,639.15/x
  3. Step 3: Cross multiply
    40,787.47x = 56,289.63 × 22,639.15
  4. Step 4: Simplify right side
    40,787.47x = 1,274,349,377.01
  5. Step 5: Solve for x
    x = 1,274,349,377.01/40,787.47
  6. Step 6: Final answer
    x = 31,243.65

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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.