Home / 47,726.10-65,832.57-30,724.74

Finding the Fourth Proportional to 47,726.10, 65,832.57 and 30,724.74

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Solution

The fourth proportional to 47,726.10, 65,832.57 and 30,724.74 is: 42,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726.10 : 65,832.57 = 30,724.74 : x
  2. Step 2: Convert to fraction form
    47,726.10/65,832.57 = 30,724.74/x
  3. Step 3: Cross multiply
    47,726.10x = 65,832.57 × 30,724.74
  4. Step 4: Simplify right side
    47,726.10x = 2,022,688,596.78
  5. Step 5: Solve for x
    x = 2,022,688,596.78/47,726.10
  6. Step 6: Final answer
    x = 42,381.18

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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.