Home / 57,225.36-85,830.72-17,781.60

Finding the Fourth Proportional to 57,225.36, 85,830.72 and 17,781.60

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Solution

The fourth proportional to 57,225.36, 85,830.72 and 17,781.60 is: 26,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.36 : 85,830.72 = 17,781.60 : x
  2. Step 2: Convert to fraction form
    57,225.36/85,830.72 = 17,781.60/x
  3. Step 3: Cross multiply
    57,225.36x = 85,830.72 × 17,781.60
  4. Step 4: Simplify right side
    57,225.36x = 1,526,207,530.75
  5. Step 5: Solve for x
    x = 1,526,207,530.75/57,225.36
  6. Step 6: Final answer
    x = 26,670.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.