Home / 48,897.90-67,495.14-28,753.81

Finding the Fourth Proportional to 48,897.90, 67,495.14 and 28,753.81

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Solution

The fourth proportional to 48,897.90, 67,495.14 and 28,753.81 is: 39,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,897.90 : 67,495.14 = 28,753.81 : x
  2. Step 2: Convert to fraction form
    48,897.90/67,495.14 = 28,753.81/x
  3. Step 3: Cross multiply
    48,897.90x = 67,495.14 × 28,753.81
  4. Step 4: Simplify right side
    48,897.90x = 1,940,742,262.75
  5. Step 5: Solve for x
    x = 1,940,742,262.75/48,897.90
  6. Step 6: Final answer
    x = 39,689.69

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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.