Home / 64,750.08-97,124.98-20,380.71

Finding the Fourth Proportional to 64,750.08, 97,124.98 and 20,380.71

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Solution

The fourth proportional to 64,750.08, 97,124.98 and 20,380.71 is: 30,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,750.08 : 97,124.98 = 20,380.71 : x
  2. Step 2: Convert to fraction form
    64,750.08/97,124.98 = 20,380.71/x
  3. Step 3: Cross multiply
    64,750.08x = 97,124.98 × 20,380.71
  4. Step 4: Simplify right side
    64,750.08x = 1,979,476,051.14
  5. Step 5: Solve for x
    x = 1,979,476,051.14/64,750.08
  6. Step 6: Final answer
    x = 30,571.02

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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.