Home / 47,247.63-70,861.71-20,935.59

Finding the Fourth Proportional to 47,247.63, 70,861.71 and 20,935.59

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Solution

The fourth proportional to 47,247.63, 70,861.71 and 20,935.59 is: 31,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,247.63 : 70,861.71 = 20,935.59 : x
  2. Step 2: Convert to fraction form
    47,247.63/70,861.71 = 20,935.59/x
  3. Step 3: Cross multiply
    47,247.63x = 70,861.71 × 20,935.59
  4. Step 4: Simplify right side
    47,247.63x = 1,483,531,707.26
  5. Step 5: Solve for x
    x = 1,483,531,707.26/47,247.63
  6. Step 6: Final answer
    x = 31,399.07

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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.