Home / 52,622.68-72,618.08-28,749.48

Finding the Fourth Proportional to 52,622.68, 72,618.08 and 28,749.48

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Solution

The fourth proportional to 52,622.68, 72,618.08 and 28,749.48 is: 39,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,622.68 : 72,618.08 = 28,749.48 : x
  2. Step 2: Convert to fraction form
    52,622.68/72,618.08 = 28,749.48/x
  3. Step 3: Cross multiply
    52,622.68x = 72,618.08 × 28,749.48
  4. Step 4: Simplify right side
    52,622.68x = 2,087,732,038.60
  5. Step 5: Solve for x
    x = 2,087,732,038.60/52,622.68
  6. Step 6: Final answer
    x = 39,673.62

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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.