Home / 34,421.41-47,513.40-21,696.06

Finding the Fourth Proportional to 34,421.41, 47,513.40 and 21,696.06

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Solution

The fourth proportional to 34,421.41, 47,513.40 and 21,696.06 is: 29,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.41 : 47,513.40 = 21,696.06 : x
  2. Step 2: Convert to fraction form
    34,421.41/47,513.40 = 21,696.06/x
  3. Step 3: Cross multiply
    34,421.41x = 47,513.40 × 21,696.06
  4. Step 4: Simplify right side
    34,421.41x = 1,030,853,577.20
  5. Step 5: Solve for x
    x = 1,030,853,577.20/34,421.41
  6. Step 6: Final answer
    x = 29,948.03

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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.