Home / 47,087.01-64,952.91-28,213.20

Finding the Fourth Proportional to 47,087.01, 64,952.91 and 28,213.20

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Solution

The fourth proportional to 47,087.01, 64,952.91 and 28,213.20 is: 38,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.01 : 64,952.91 = 28,213.20 : x
  2. Step 2: Convert to fraction form
    47,087.01/64,952.91 = 28,213.20/x
  3. Step 3: Cross multiply
    47,087.01x = 64,952.91 × 28,213.20
  4. Step 4: Simplify right side
    47,087.01x = 1,832,529,440.41
  5. Step 5: Solve for x
    x = 1,832,529,440.41/47,087.01
  6. Step 6: Final answer
    x = 38,917.94

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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.