Home / 40,145.58-60,327.32-21,438.63

Finding the Fourth Proportional to 40,145.58, 60,327.32 and 21,438.63

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Solution

The fourth proportional to 40,145.58, 60,327.32 and 21,438.63 is: 32,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.58 : 60,327.32 = 21,438.63 : x
  2. Step 2: Convert to fraction form
    40,145.58/60,327.32 = 21,438.63/x
  3. Step 3: Cross multiply
    40,145.58x = 60,327.32 × 21,438.63
  4. Step 4: Simplify right side
    40,145.58x = 1,293,334,985.18
  5. Step 5: Solve for x
    x = 1,293,334,985.18/40,145.58
  6. Step 6: Final answer
    x = 32,216.12

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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.