Home / 40,645.16-56,109.48-30,577.43

Finding the Fourth Proportional to 40,645.16, 56,109.48 and 30,577.43

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Solution

The fourth proportional to 40,645.16, 56,109.48 and 30,577.43 is: 42,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.16 : 56,109.48 = 30,577.43 : x
  2. Step 2: Convert to fraction form
    40,645.16/56,109.48 = 30,577.43/x
  3. Step 3: Cross multiply
    40,645.16x = 56,109.48 × 30,577.43
  4. Step 4: Simplify right side
    40,645.16x = 1,715,683,722.64
  5. Step 5: Solve for x
    x = 1,715,683,722.64/40,645.16
  6. Step 6: Final answer
    x = 42,211.27

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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.