Home / 32,784.75-45,243-17,880.75

Finding the Fourth Proportional to 32,784.75, 45,243 and 17,880.75

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Solution

The fourth proportional to 32,784.75, 45,243 and 17,880.75 is: 24,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,784.75 : 45,243 = 17,880.75 : x
  2. Step 2: Convert to fraction form
    32,784.75/45,243 = 17,880.75/x
  3. Step 3: Cross multiply
    32,784.75x = 45,243 × 17,880.75
  4. Step 4: Simplify right side
    32,784.75x = 808,978,772.25
  5. Step 5: Solve for x
    x = 808,978,772.25/32,784.75
  6. Step 6: Final answer
    x = 24,675.46

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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.