Home / 33,307.60-45,961.16-18,402.64

Finding the Fourth Proportional to 33,307.60, 45,961.16 and 18,402.64

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Solution

The fourth proportional to 33,307.60, 45,961.16 and 18,402.64 is: 25,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.60 : 45,961.16 = 18,402.64 : x
  2. Step 2: Convert to fraction form
    33,307.60/45,961.16 = 18,402.64/x
  3. Step 3: Cross multiply
    33,307.60x = 45,961.16 × 18,402.64
  4. Step 4: Simplify right side
    33,307.60x = 845,806,681.46
  5. Step 5: Solve for x
    x = 845,806,681.46/33,307.60
  6. Step 6: Final answer
    x = 25,393.80

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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.