Home / 47,861.28-66,056.40-27,727.20

Finding the Fourth Proportional to 47,861.28, 66,056.40 and 27,727.20

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Solution

The fourth proportional to 47,861.28, 66,056.40 and 27,727.20 is: 38,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.28 : 66,056.40 = 27,727.20 : x
  2. Step 2: Convert to fraction form
    47,861.28/66,056.40 = 27,727.20/x
  3. Step 3: Cross multiply
    47,861.28x = 66,056.40 × 27,727.20
  4. Step 4: Simplify right side
    47,861.28x = 1,831,559,014.08
  5. Step 5: Solve for x
    x = 1,831,559,014.08/47,861.28
  6. Step 6: Final answer
    x = 38,268.07

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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.