Home / 34,643.09-47,807.45-18,727.57

Finding the Fourth Proportional to 34,643.09, 47,807.45 and 18,727.57

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Solution

The fourth proportional to 34,643.09, 47,807.45 and 18,727.57 is: 25,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.09 : 47,807.45 = 18,727.57 : x
  2. Step 2: Convert to fraction form
    34,643.09/47,807.45 = 18,727.57/x
  3. Step 3: Cross multiply
    34,643.09x = 47,807.45 × 18,727.57
  4. Step 4: Simplify right side
    34,643.09x = 895,317,402.75
  5. Step 5: Solve for x
    x = 895,317,402.75/34,643.09
  6. Step 6: Final answer
    x = 25,844.04

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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.