Home / 48,581.78-67,059.63-28,445.13

Finding the Fourth Proportional to 48,581.78, 67,059.63 and 28,445.13

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Solution

The fourth proportional to 48,581.78, 67,059.63 and 28,445.13 is: 39,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.78 : 67,059.63 = 28,445.13 : x
  2. Step 2: Convert to fraction form
    48,581.78/67,059.63 = 28,445.13/x
  3. Step 3: Cross multiply
    48,581.78x = 67,059.63 × 28,445.13
  4. Step 4: Simplify right side
    48,581.78x = 1,907,519,893.10
  5. Step 5: Solve for x
    x = 1,907,519,893.10/48,581.78
  6. Step 6: Final answer
    x = 39,264.10

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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.