Home / 39,389.40-59,098.23-16,890.66

Finding the Fourth Proportional to 39,389.40, 59,098.23 and 16,890.66

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Solution

The fourth proportional to 39,389.40, 59,098.23 and 16,890.66 is: 25,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.40 : 59,098.23 = 16,890.66 : x
  2. Step 2: Convert to fraction form
    39,389.40/59,098.23 = 16,890.66/x
  3. Step 3: Cross multiply
    39,389.40x = 59,098.23 × 16,890.66
  4. Step 4: Simplify right side
    39,389.40x = 998,208,109.53
  5. Step 5: Solve for x
    x = 998,208,109.53/39,389.40
  6. Step 6: Final answer
    x = 25,342.05

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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.