Home / 52,217.08-72,059.63-28,343.75

Finding the Fourth Proportional to 52,217.08, 72,059.63 and 28,343.75

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Solution

The fourth proportional to 52,217.08, 72,059.63 and 28,343.75 is: 39,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217.08 : 72,059.63 = 28,343.75 : x
  2. Step 2: Convert to fraction form
    52,217.08/72,059.63 = 28,343.75/x
  3. Step 3: Cross multiply
    52,217.08x = 72,059.63 × 28,343.75
  4. Step 4: Simplify right side
    52,217.08x = 2,042,440,137.81
  5. Step 5: Solve for x
    x = 2,042,440,137.81/52,217.08
  6. Step 6: Final answer
    x = 39,114.41

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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.