Home / 47,859.07-66,016.11-30,856.99

Finding the Fourth Proportional to 47,859.07, 66,016.11 and 30,856.99

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Solution

The fourth proportional to 47,859.07, 66,016.11 and 30,856.99 is: 42,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,859.07 : 66,016.11 = 30,856.99 : x
  2. Step 2: Convert to fraction form
    47,859.07/66,016.11 = 30,856.99/x
  3. Step 3: Cross multiply
    47,859.07x = 66,016.11 × 30,856.99
  4. Step 4: Simplify right side
    47,859.07x = 2,037,058,446.11
  5. Step 5: Solve for x
    x = 2,037,058,446.11/47,859.07
  6. Step 6: Final answer
    x = 42,563.69

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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.