Home / 30,765.02-46,185.80-21,464.19

Finding the Fourth Proportional to 30,765.02, 46,185.80 and 21,464.19

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Solution

The fourth proportional to 30,765.02, 46,185.80 and 21,464.19 is: 32,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.02 : 46,185.80 = 21,464.19 : x
  2. Step 2: Convert to fraction form
    30,765.02/46,185.80 = 21,464.19/x
  3. Step 3: Cross multiply
    30,765.02x = 46,185.80 × 21,464.19
  4. Step 4: Simplify right side
    30,765.02x = 991,340,679.18
  5. Step 5: Solve for x
    x = 991,340,679.18/30,765.02
  6. Step 6: Final answer
    x = 32,222.99

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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.