Home / 39,950.15-59,934.60-11,870.42

Finding the Fourth Proportional to 39,950.15, 59,934.60 and 11,870.42

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Solution

The fourth proportional to 39,950.15, 59,934.60 and 11,870.42 is: 17,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.15 : 59,934.60 = 11,870.42 : x
  2. Step 2: Convert to fraction form
    39,950.15/59,934.60 = 11,870.42/x
  3. Step 3: Cross multiply
    39,950.15x = 59,934.60 × 11,870.42
  4. Step 4: Simplify right side
    39,950.15x = 711,448,574.86
  5. Step 5: Solve for x
    x = 711,448,574.86/39,950.15
  6. Step 6: Final answer
    x = 17,808.41

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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.