Home / 47,431.21-65,455.09-26,210.47

Finding the Fourth Proportional to 47,431.21, 65,455.09 and 26,210.47

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Solution

The fourth proportional to 47,431.21, 65,455.09 and 26,210.47 is: 36,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.21 : 65,455.09 = 26,210.47 : x
  2. Step 2: Convert to fraction form
    47,431.21/65,455.09 = 26,210.47/x
  3. Step 3: Cross multiply
    47,431.21x = 65,455.09 × 26,210.47
  4. Step 4: Simplify right side
    47,431.21x = 1,715,608,672.79
  5. Step 5: Solve for x
    x = 1,715,608,672.79/47,431.21
  6. Step 6: Final answer
    x = 36,170.46

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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.