Home / 32,858.48-45,364.77-21,384.32

Finding the Fourth Proportional to 32,858.48, 45,364.77 and 21,384.32

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Solution

The fourth proportional to 32,858.48, 45,364.77 and 21,384.32 is: 29,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.48 : 45,364.77 = 21,384.32 : x
  2. Step 2: Convert to fraction form
    32,858.48/45,364.77 = 21,384.32/x
  3. Step 3: Cross multiply
    32,858.48x = 45,364.77 × 21,384.32
  4. Step 4: Simplify right side
    32,858.48x = 970,094,531.58
  5. Step 5: Solve for x
    x = 970,094,531.58/32,858.48
  6. Step 6: Final answer
    x = 29,523.42

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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.