Home / 47,816.22-66,015.90-30,826.50

Finding the Fourth Proportional to 47,816.22, 66,015.90 and 30,826.50

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Solution

The fourth proportional to 47,816.22, 66,015.90 and 30,826.50 is: 42,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,816.22 : 66,015.90 = 30,826.50 : x
  2. Step 2: Convert to fraction form
    47,816.22/66,015.90 = 30,826.50/x
  3. Step 3: Cross multiply
    47,816.22x = 66,015.90 × 30,826.50
  4. Step 4: Simplify right side
    47,816.22x = 2,035,039,141.35
  5. Step 5: Solve for x
    x = 2,035,039,141.35/47,816.22
  6. Step 6: Final answer
    x = 42,559.60

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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.