Home / 34,664.49-47,821.56-20,509.14

Finding the Fourth Proportional to 34,664.49, 47,821.56 and 20,509.14

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Solution

The fourth proportional to 34,664.49, 47,821.56 and 20,509.14 is: 28,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,664.49 : 47,821.56 = 20,509.14 : x
  2. Step 2: Convert to fraction form
    34,664.49/47,821.56 = 20,509.14/x
  3. Step 3: Cross multiply
    34,664.49x = 47,821.56 × 20,509.14
  4. Step 4: Simplify right side
    34,664.49x = 980,779,069.06
  5. Step 5: Solve for x
    x = 980,779,069.06/34,664.49
  6. Step 6: Final answer
    x = 28,293.48

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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.