Home / 47,236.64-65,114.96-38,838.56

Finding the Fourth Proportional to 47,236.64, 65,114.96 and 38,838.56

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Solution

The fourth proportional to 47,236.64, 65,114.96 and 38,838.56 is: 53,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.64 : 65,114.96 = 38,838.56 : x
  2. Step 2: Convert to fraction form
    47,236.64/65,114.96 = 38,838.56/x
  3. Step 3: Cross multiply
    47,236.64x = 65,114.96 × 38,838.56
  4. Step 4: Simplify right side
    47,236.64x = 2,528,971,280.86
  5. Step 5: Solve for x
    x = 2,528,971,280.86/47,236.64
  6. Step 6: Final answer
    x = 53,538.34

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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.