Home / 34,368.54-47,426.34-20,218.65

Finding the Fourth Proportional to 34,368.54, 47,426.34 and 20,218.65

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Solution

The fourth proportional to 34,368.54, 47,426.34 and 20,218.65 is: 27,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368.54 : 47,426.34 = 20,218.65 : x
  2. Step 2: Convert to fraction form
    34,368.54/47,426.34 = 20,218.65/x
  3. Step 3: Cross multiply
    34,368.54x = 47,426.34 × 20,218.65
  4. Step 4: Simplify right side
    34,368.54x = 958,896,569.24
  5. Step 5: Solve for x
    x = 958,896,569.24/34,368.54
  6. Step 6: Final answer
    x = 27,900.42

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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.