Home / 32,788.74-45,297.81-21,485.10

Finding the Fourth Proportional to 32,788.74, 45,297.81 and 21,485.10

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Solution

The fourth proportional to 32,788.74, 45,297.81 and 21,485.10 is: 29,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,788.74 : 45,297.81 = 21,485.10 : x
  2. Step 2: Convert to fraction form
    32,788.74/45,297.81 = 21,485.10/x
  3. Step 3: Cross multiply
    32,788.74x = 45,297.81 × 21,485.10
  4. Step 4: Simplify right side
    32,788.74x = 973,227,977.63
  5. Step 5: Solve for x
    x = 973,227,977.63/32,788.74
  6. Step 6: Final answer
    x = 29,681.77

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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.