Home / 39,786.66-59,314.01-37,920.42

Finding the Fourth Proportional to 39,786.66, 59,314.01 and 37,920.42

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Solution

The fourth proportional to 39,786.66, 59,314.01 and 37,920.42 is: 56,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786.66 : 59,314.01 = 37,920.42 : x
  2. Step 2: Convert to fraction form
    39,786.66/59,314.01 = 37,920.42/x
  3. Step 3: Cross multiply
    39,786.66x = 59,314.01 × 37,920.42
  4. Step 4: Simplify right side
    39,786.66x = 2,249,211,981.48
  5. Step 5: Solve for x
    x = 2,249,211,981.48/39,786.66
  6. Step 6: Final answer
    x = 56,531.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.