Home / 47,638.04-65,743.80-26,419.28

Finding the Fourth Proportional to 47,638.04, 65,743.80 and 26,419.28

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Solution

The fourth proportional to 47,638.04, 65,743.80 and 26,419.28 is: 36,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.04 : 65,743.80 = 26,419.28 : x
  2. Step 2: Convert to fraction form
    47,638.04/65,743.80 = 26,419.28/x
  3. Step 3: Cross multiply
    47,638.04x = 65,743.80 × 26,419.28
  4. Step 4: Simplify right side
    47,638.04x = 1,736,903,860.46
  5. Step 5: Solve for x
    x = 1,736,903,860.46/47,638.04
  6. Step 6: Final answer
    x = 36,460.44

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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.