Home / 55,602.90-83,404.44-20,528.28

Finding the Fourth Proportional to 55,602.90, 83,404.44 and 20,528.28

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Solution

The fourth proportional to 55,602.90, 83,404.44 and 20,528.28 is: 30,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.90 : 83,404.44 = 20,528.28 : x
  2. Step 2: Convert to fraction form
    55,602.90/83,404.44 = 20,528.28/x
  3. Step 3: Cross multiply
    55,602.90x = 83,404.44 × 20,528.28
  4. Step 4: Simplify right side
    55,602.90x = 1,712,149,697.56
  5. Step 5: Solve for x
    x = 1,712,149,697.56/55,602.90
  6. Step 6: Final answer
    x = 30,792.45

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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.