Home / 42,701.28-64,000.08-30,224.96

Finding the Fourth Proportional to 42,701.28, 64,000.08 and 30,224.96

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Solution

The fourth proportional to 42,701.28, 64,000.08 and 30,224.96 is: 45,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701.28 : 64,000.08 = 30,224.96 : x
  2. Step 2: Convert to fraction form
    42,701.28/64,000.08 = 30,224.96/x
  3. Step 3: Cross multiply
    42,701.28x = 64,000.08 × 30,224.96
  4. Step 4: Simplify right side
    42,701.28x = 1,934,399,858.00
  5. Step 5: Solve for x
    x = 1,934,399,858.00/42,701.28
  6. Step 6: Final answer
    x = 45,300.75

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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.