Home / 47,126.99-64,987.03-31,205.63

Finding the Fourth Proportional to 47,126.99, 64,987.03 and 31,205.63

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Solution

The fourth proportional to 47,126.99, 64,987.03 and 31,205.63 is: 43,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,126.99 : 64,987.03 = 31,205.63 : x
  2. Step 2: Convert to fraction form
    47,126.99/64,987.03 = 31,205.63/x
  3. Step 3: Cross multiply
    47,126.99x = 64,987.03 × 31,205.63
  4. Step 4: Simplify right side
    47,126.99x = 2,027,961,212.98
  5. Step 5: Solve for x
    x = 2,027,961,212.98/47,126.99
  6. Step 6: Final answer
    x = 43,031.84

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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.