Home / 64,072.08-96,041.28-21,939.76

Finding the Fourth Proportional to 64,072.08, 96,041.28 and 21,939.76

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Solution

The fourth proportional to 64,072.08, 96,041.28 and 21,939.76 is: 32,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,072.08 : 96,041.28 = 21,939.76 : x
  2. Step 2: Convert to fraction form
    64,072.08/96,041.28 = 21,939.76/x
  3. Step 3: Cross multiply
    64,072.08x = 96,041.28 × 21,939.76
  4. Step 4: Simplify right side
    64,072.08x = 2,107,122,633.29
  5. Step 5: Solve for x
    x = 2,107,122,633.29/64,072.08
  6. Step 6: Final answer
    x = 32,886.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.