Home / 47,140.32-65,053.44-25,920.72

Finding the Fourth Proportional to 47,140.32, 65,053.44 and 25,920.72

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Solution

The fourth proportional to 47,140.32, 65,053.44 and 25,920.72 is: 35,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.32 : 65,053.44 = 25,920.72 : x
  2. Step 2: Convert to fraction form
    47,140.32/65,053.44 = 25,920.72/x
  3. Step 3: Cross multiply
    47,140.32x = 65,053.44 × 25,920.72
  4. Step 4: Simplify right side
    47,140.32x = 1,686,232,003.28
  5. Step 5: Solve for x
    x = 1,686,232,003.28/47,140.32
  6. Step 6: Final answer
    x = 35,770.48

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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.