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Finding the Fourth Proportional to 47,149.16, 65,065.29 and 25,927.16

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Solution

The fourth proportional to 47,149.16, 65,065.29 and 25,927.16 is: 35,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,149.16 : 65,065.29 = 25,927.16 : x
  2. Step 2: Convert to fraction form
    47,149.16/65,065.29 = 25,927.16/x
  3. Step 3: Cross multiply
    47,149.16x = 65,065.29 × 25,927.16
  4. Step 4: Simplify right side
    47,149.16x = 1,686,958,184.28
  5. Step 5: Solve for x
    x = 1,686,958,184.28/47,149.16
  6. Step 6: Final answer
    x = 35,779.18

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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.