Home / 48,298.08-66,649.84-28,155.81

Finding the Fourth Proportional to 48,298.08, 66,649.84 and 28,155.81

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Solution

The fourth proportional to 48,298.08, 66,649.84 and 28,155.81 is: 38,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298.08 : 66,649.84 = 28,155.81 : x
  2. Step 2: Convert to fraction form
    48,298.08/66,649.84 = 28,155.81/x
  3. Step 3: Cross multiply
    48,298.08x = 66,649.84 × 28,155.81
  4. Step 4: Simplify right side
    48,298.08x = 1,876,580,411.12
  5. Step 5: Solve for x
    x = 1,876,580,411.12/48,298.08
  6. Step 6: Final answer
    x = 38,854.14

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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.