Home / 48,043.68-66,308.40-30,153.60

Finding the Fourth Proportional to 48,043.68, 66,308.40 and 30,153.60

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Solution

The fourth proportional to 48,043.68, 66,308.40 and 30,153.60 is: 41,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,043.68 : 66,308.40 = 30,153.60 : x
  2. Step 2: Convert to fraction form
    48,043.68/66,308.40 = 30,153.60/x
  3. Step 3: Cross multiply
    48,043.68x = 66,308.40 × 30,153.60
  4. Step 4: Simplify right side
    48,043.68x = 1,999,436,970.24
  5. Step 5: Solve for x
    x = 1,999,436,970.24/48,043.68
  6. Step 6: Final answer
    x = 41,617.07

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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.