Home / 32,786.74-45,295.05-21,483.10

Finding the Fourth Proportional to 32,786.74, 45,295.05 and 21,483.10

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Solution

The fourth proportional to 32,786.74, 45,295.05 and 21,483.10 is: 29,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.74 : 45,295.05 = 21,483.10 : x
  2. Step 2: Convert to fraction form
    32,786.74/45,295.05 = 21,483.10/x
  3. Step 3: Cross multiply
    32,786.74x = 45,295.05 × 21,483.10
  4. Step 4: Simplify right side
    32,786.74x = 973,078,088.66
  5. Step 5: Solve for x
    x = 973,078,088.66/32,786.74
  6. Step 6: Final answer
    x = 29,679.01

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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.