Home / 47,641.36-65,744.04-26,420.56

Finding the Fourth Proportional to 47,641.36, 65,744.04 and 26,420.56

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Solution

The fourth proportional to 47,641.36, 65,744.04 and 26,420.56 is: 36,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.36 : 65,744.04 = 26,420.56 : x
  2. Step 2: Convert to fraction form
    47,641.36/65,744.04 = 26,420.56/x
  3. Step 3: Cross multiply
    47,641.36x = 65,744.04 × 26,420.56
  4. Step 4: Simplify right side
    47,641.36x = 1,736,994,353.46
  5. Step 5: Solve for x
    x = 1,736,994,353.46/47,641.36
  6. Step 6: Final answer
    x = 36,459.80

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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.