Home / 47,330.64-65,315.66-25,820.28

Finding the Fourth Proportional to 47,330.64, 65,315.66 and 25,820.28

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Solution

The fourth proportional to 47,330.64, 65,315.66 and 25,820.28 is: 35,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,330.64 : 65,315.66 = 25,820.28 : x
  2. Step 2: Convert to fraction form
    47,330.64/65,315.66 = 25,820.28/x
  3. Step 3: Cross multiply
    47,330.64x = 65,315.66 × 25,820.28
  4. Step 4: Simplify right side
    47,330.64x = 1,686,468,500.48
  5. Step 5: Solve for x
    x = 1,686,468,500.48/47,330.64
  6. Step 6: Final answer
    x = 35,631.64

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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.