Home / 47,079.29-64,968.80-25,857.19

Finding the Fourth Proportional to 47,079.29, 64,968.80 and 25,857.19

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Solution

The fourth proportional to 47,079.29, 64,968.80 and 25,857.19 is: 35,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.29 : 64,968.80 = 25,857.19 : x
  2. Step 2: Convert to fraction form
    47,079.29/64,968.80 = 25,857.19/x
  3. Step 3: Cross multiply
    47,079.29x = 64,968.80 × 25,857.19
  4. Step 4: Simplify right side
    47,079.29x = 1,679,910,605.67
  5. Step 5: Solve for x
    x = 1,679,910,605.67/47,079.29
  6. Step 6: Final answer
    x = 35,682.58

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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.