Home / 40,390.76-55,737.07-22,237.94

Finding the Fourth Proportional to 40,390.76, 55,737.07 and 22,237.94

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Solution

The fourth proportional to 40,390.76, 55,737.07 and 22,237.94 is: 30,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.76 : 55,737.07 = 22,237.94 : x
  2. Step 2: Convert to fraction form
    40,390.76/55,737.07 = 22,237.94/x
  3. Step 3: Cross multiply
    40,390.76x = 55,737.07 × 22,237.94
  4. Step 4: Simplify right side
    40,390.76x = 1,239,477,702.18
  5. Step 5: Solve for x
    x = 1,239,477,702.18/40,390.76
  6. Step 6: Final answer
    x = 30,687.16

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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.