Home / 35,172.48-48,533.70-28,020.60

Finding the Fourth Proportional to 35,172.48, 48,533.70 and 28,020.60

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Solution

The fourth proportional to 35,172.48, 48,533.70 and 28,020.60 is: 38,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.48 : 48,533.70 = 28,020.60 : x
  2. Step 2: Convert to fraction form
    35,172.48/48,533.70 = 28,020.60/x
  3. Step 3: Cross multiply
    35,172.48x = 48,533.70 × 28,020.60
  4. Step 4: Simplify right side
    35,172.48x = 1,359,943,394.22
  5. Step 5: Solve for x
    x = 1,359,943,394.22/35,172.48
  6. Step 6: Final answer
    x = 38,664.98

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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.