Home / 47,317.64-65,331.16-29,420.70

Finding the Fourth Proportional to 47,317.64, 65,331.16 and 29,420.70

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Solution

The fourth proportional to 47,317.64, 65,331.16 and 29,420.70 is: 40,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,317.64 : 65,331.16 = 29,420.70 : x
  2. Step 2: Convert to fraction form
    47,317.64/65,331.16 = 29,420.70/x
  3. Step 3: Cross multiply
    47,317.64x = 65,331.16 × 29,420.70
  4. Step 4: Simplify right side
    47,317.64x = 1,922,088,459.01
  5. Step 5: Solve for x
    x = 1,922,088,459.01/47,317.64
  6. Step 6: Final answer
    x = 40,620.97

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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.