Home / 39,521.03-59,269.58-20,790.74

Finding the Fourth Proportional to 39,521.03, 59,269.58 and 20,790.74

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Solution

The fourth proportional to 39,521.03, 59,269.58 and 20,790.74 is: 31,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521.03 : 59,269.58 = 20,790.74 : x
  2. Step 2: Convert to fraction form
    39,521.03/59,269.58 = 20,790.74/x
  3. Step 3: Cross multiply
    39,521.03x = 59,269.58 × 20,790.74
  4. Step 4: Simplify right side
    39,521.03x = 1,232,258,255.47
  5. Step 5: Solve for x
    x = 1,232,258,255.47/39,521.03
  6. Step 6: Final answer
    x = 31,179.81

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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.