Home / 34,350.12-47,386.44-21,619.08

Finding the Fourth Proportional to 34,350.12, 47,386.44 and 21,619.08

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Solution

The fourth proportional to 34,350.12, 47,386.44 and 21,619.08 is: 29,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,350.12 : 47,386.44 = 21,619.08 : x
  2. Step 2: Convert to fraction form
    34,350.12/47,386.44 = 21,619.08/x
  3. Step 3: Cross multiply
    34,350.12x = 47,386.44 × 21,619.08
  4. Step 4: Simplify right side
    34,350.12x = 1,024,451,237.28
  5. Step 5: Solve for x
    x = 1,024,451,237.28/34,350.12
  6. Step 6: Final answer
    x = 29,823.80

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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.