Home / 39,713.90-59,480.12-18,951.98

Finding the Fourth Proportional to 39,713.90, 59,480.12 and 18,951.98

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Solution

The fourth proportional to 39,713.90, 59,480.12 and 18,951.98 is: 28,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.90 : 59,480.12 = 18,951.98 : x
  2. Step 2: Convert to fraction form
    39,713.90/59,480.12 = 18,951.98/x
  3. Step 3: Cross multiply
    39,713.90x = 59,480.12 × 18,951.98
  4. Step 4: Simplify right side
    39,713.90x = 1,127,265,794.62
  5. Step 5: Solve for x
    x = 1,127,265,794.62/39,713.90
  6. Step 6: Final answer
    x = 28,384.67

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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.