Home / 40,737.72-55,895.31-40,038.84

Finding the Fourth Proportional to 40,737.72, 55,895.31 and 40,038.84

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Solution

The fourth proportional to 40,737.72, 55,895.31 and 40,038.84 is: 54,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.72 : 55,895.31 = 40,038.84 : x
  2. Step 2: Convert to fraction form
    40,737.72/55,895.31 = 40,038.84/x
  3. Step 3: Cross multiply
    40,737.72x = 55,895.31 × 40,038.84
  4. Step 4: Simplify right side
    40,737.72x = 2,237,983,373.84
  5. Step 5: Solve for x
    x = 2,237,983,373.84/40,737.72
  6. Step 6: Final answer
    x = 54,936.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.