Home / 30,578.02-45,859.33-11,851.63

Finding the Fourth Proportional to 30,578.02, 45,859.33 and 11,851.63

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Solution

The fourth proportional to 30,578.02, 45,859.33 and 11,851.63 is: 17,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578.02 : 45,859.33 = 11,851.63 : x
  2. Step 2: Convert to fraction form
    30,578.02/45,859.33 = 11,851.63/x
  3. Step 3: Cross multiply
    30,578.02x = 45,859.33 × 11,851.63
  4. Step 4: Simplify right side
    30,578.02x = 543,507,811.21
  5. Step 5: Solve for x
    x = 543,507,811.21/30,578.02
  6. Step 6: Final answer
    x = 17,774.46

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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.