Home / 47,252.40-70,895-20,975.59

Finding the Fourth Proportional to 47,252.40, 70,895 and 20,975.59

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Solution

The fourth proportional to 47,252.40, 70,895 and 20,975.59 is: 31,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,252.40 : 70,895 = 20,975.59 : x
  2. Step 2: Convert to fraction form
    47,252.40/70,895 = 20,975.59/x
  3. Step 3: Cross multiply
    47,252.40x = 70,895 × 20,975.59
  4. Step 4: Simplify right side
    47,252.40x = 1,487,064,453.05
  5. Step 5: Solve for x
    x = 1,487,064,453.05/47,252.40
  6. Step 6: Final answer
    x = 31,470.67

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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.