Home / 39,737.88-59,612.36-13,435.56

Finding the Fourth Proportional to 39,737.88, 59,612.36 and 13,435.56

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Solution

The fourth proportional to 39,737.88, 59,612.36 and 13,435.56 is: 20,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,737.88 : 59,612.36 = 13,435.56 : x
  2. Step 2: Convert to fraction form
    39,737.88/59,612.36 = 13,435.56/x
  3. Step 3: Cross multiply
    39,737.88x = 59,612.36 × 13,435.56
  4. Step 4: Simplify right side
    39,737.88x = 800,925,372.34
  5. Step 5: Solve for x
    x = 800,925,372.34/39,737.88
  6. Step 6: Final answer
    x = 20,155.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.