Home / 47,046.40-64,927.44-31,103.20

Finding the Fourth Proportional to 47,046.40, 64,927.44 and 31,103.20

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Solution

The fourth proportional to 47,046.40, 64,927.44 and 31,103.20 is: 42,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,046.40 : 64,927.44 = 31,103.20 : x
  2. Step 2: Convert to fraction form
    47,046.40/64,927.44 = 31,103.20/x
  3. Step 3: Cross multiply
    47,046.40x = 64,927.44 × 31,103.20
  4. Step 4: Simplify right side
    47,046.40x = 2,019,451,151.81
  5. Step 5: Solve for x
    x = 2,019,451,151.81/47,046.40
  6. Step 6: Final answer
    x = 42,924.67

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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.