Home / 47,087.70-64,936.44-30,926.58

Finding the Fourth Proportional to 47,087.70, 64,936.44 and 30,926.58

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Solution

The fourth proportional to 47,087.70, 64,936.44 and 30,926.58 is: 42,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.70 : 64,936.44 = 30,926.58 : x
  2. Step 2: Convert to fraction form
    47,087.70/64,936.44 = 30,926.58/x
  3. Step 3: Cross multiply
    47,087.70x = 64,936.44 × 30,926.58
  4. Step 4: Simplify right side
    47,087.70x = 2,008,262,006.58
  5. Step 5: Solve for x
    x = 2,008,262,006.58/47,087.70
  6. Step 6: Final answer
    x = 42,649.40

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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.