Home / 48,145.11-72,228.59-18,564.58

Finding the Fourth Proportional to 48,145.11, 72,228.59 and 18,564.58

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Solution

The fourth proportional to 48,145.11, 72,228.59 and 18,564.58 is: 27,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.11 : 72,228.59 = 18,564.58 : x
  2. Step 2: Convert to fraction form
    48,145.11/72,228.59 = 18,564.58/x
  3. Step 3: Cross multiply
    48,145.11x = 72,228.59 × 18,564.58
  4. Step 4: Simplify right side
    48,145.11x = 1,340,893,437.34
  5. Step 5: Solve for x
    x = 1,340,893,437.34/48,145.11
  6. Step 6: Final answer
    x = 27,851.08

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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.