Home / 34,240.59-47,252.02-20,809.34

Finding the Fourth Proportional to 34,240.59, 47,252.02 and 20,809.34

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Solution

The fourth proportional to 34,240.59, 47,252.02 and 20,809.34 is: 28,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240.59 : 47,252.02 = 20,809.34 : x
  2. Step 2: Convert to fraction form
    34,240.59/47,252.02 = 20,809.34/x
  3. Step 3: Cross multiply
    34,240.59x = 47,252.02 × 20,809.34
  4. Step 4: Simplify right side
    34,240.59x = 983,283,316.81
  5. Step 5: Solve for x
    x = 983,283,316.81/34,240.59
  6. Step 6: Final answer
    x = 28,716.89

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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.