Home / 34,572.24-47,713.32-20,426.40

Finding the Fourth Proportional to 34,572.24, 47,713.32 and 20,426.40

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Solution

The fourth proportional to 34,572.24, 47,713.32 and 20,426.40 is: 28,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,572.24 : 47,713.32 = 20,426.40 : x
  2. Step 2: Convert to fraction form
    34,572.24/47,713.32 = 20,426.40/x
  3. Step 3: Cross multiply
    34,572.24x = 47,713.32 × 20,426.40
  4. Step 4: Simplify right side
    34,572.24x = 974,611,359.65
  5. Step 5: Solve for x
    x = 974,611,359.65/34,572.24
  6. Step 6: Final answer
    x = 28,190.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.