Home / 35,429.40-48,851.10-21,277.08

Finding the Fourth Proportional to 35,429.40, 48,851.10 and 21,277.08

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Solution

The fourth proportional to 35,429.40, 48,851.10 and 21,277.08 is: 29,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.40 : 48,851.10 = 21,277.08 : x
  2. Step 2: Convert to fraction form
    35,429.40/48,851.10 = 21,277.08/x
  3. Step 3: Cross multiply
    35,429.40x = 48,851.10 × 21,277.08
  4. Step 4: Simplify right side
    35,429.40x = 1,039,408,762.79
  5. Step 5: Solve for x
    x = 1,039,408,762.79/35,429.40
  6. Step 6: Final answer
    x = 29,337.46

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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.