Home / 47,126.49-64,986.34-31,205.13

Finding the Fourth Proportional to 47,126.49, 64,986.34 and 31,205.13

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Solution

The fourth proportional to 47,126.49, 64,986.34 and 31,205.13 is: 43,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,126.49 : 64,986.34 = 31,205.13 : x
  2. Step 2: Convert to fraction form
    47,126.49/64,986.34 = 31,205.13/x
  3. Step 3: Cross multiply
    47,126.49x = 64,986.34 × 31,205.13
  4. Step 4: Simplify right side
    47,126.49x = 2,027,907,187.92
  5. Step 5: Solve for x
    x = 2,027,907,187.92/47,126.49
  6. Step 6: Final answer
    x = 43,031.15

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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.