Home / 48,813.64-67,370.02-30,910.28

Finding the Fourth Proportional to 48,813.64, 67,370.02 and 30,910.28

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Solution

The fourth proportional to 48,813.64, 67,370.02 and 30,910.28 is: 42,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,813.64 : 67,370.02 = 30,910.28 : x
  2. Step 2: Convert to fraction form
    48,813.64/67,370.02 = 30,910.28/x
  3. Step 3: Cross multiply
    48,813.64x = 67,370.02 × 30,910.28
  4. Step 4: Simplify right side
    48,813.64x = 2,082,426,181.81
  5. Step 5: Solve for x
    x = 2,082,426,181.81/48,813.64
  6. Step 6: Final answer
    x = 42,660.74

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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.