Home / 47,263.98-65,212.88-31,129.58

Finding the Fourth Proportional to 47,263.98, 65,212.88 and 31,129.58

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Solution

The fourth proportional to 47,263.98, 65,212.88 and 31,129.58 is: 42,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,263.98 : 65,212.88 = 31,129.58 : x
  2. Step 2: Convert to fraction form
    47,263.98/65,212.88 = 31,129.58/x
  3. Step 3: Cross multiply
    47,263.98x = 65,212.88 × 31,129.58
  4. Step 4: Simplify right side
    47,263.98x = 2,030,049,564.99
  5. Step 5: Solve for x
    x = 2,030,049,564.99/47,263.98
  6. Step 6: Final answer
    x = 42,951.30

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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.