Home / 40,643.03-60,970.36-12,565.53

Finding the Fourth Proportional to 40,643.03, 60,970.36 and 12,565.53

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Solution

The fourth proportional to 40,643.03, 60,970.36 and 12,565.53 is: 18,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.03 : 60,970.36 = 12,565.53 : x
  2. Step 2: Convert to fraction form
    40,643.03/60,970.36 = 12,565.53/x
  3. Step 3: Cross multiply
    40,643.03x = 60,970.36 × 12,565.53
  4. Step 4: Simplify right side
    40,643.03x = 766,124,887.69
  5. Step 5: Solve for x
    x = 766,124,887.69/40,643.03
  6. Step 6: Final answer
    x = 18,850.09

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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.