Home / 40,745.90-56,231.67-30,656.27

Finding the Fourth Proportional to 40,745.90, 56,231.67 and 30,656.27

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Solution

The fourth proportional to 40,745.90, 56,231.67 and 30,656.27 is: 42,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.90 : 56,231.67 = 30,656.27 : x
  2. Step 2: Convert to fraction form
    40,745.90/56,231.67 = 30,656.27/x
  3. Step 3: Cross multiply
    40,745.90x = 56,231.67 × 30,656.27
  4. Step 4: Simplify right side
    40,745.90x = 1,723,853,258.07
  5. Step 5: Solve for x
    x = 1,723,853,258.07/40,745.90
  6. Step 6: Final answer
    x = 42,307.40

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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.