Home / 30,747.12-46,127.16-9,969

Finding the Fourth Proportional to 30,747.12, 46,127.16 and 9,969

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Solution

The fourth proportional to 30,747.12, 46,127.16 and 9,969 is: 14,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.12 : 46,127.16 = 9,969 : x
  2. Step 2: Convert to fraction form
    30,747.12/46,127.16 = 9,969/x
  3. Step 3: Cross multiply
    30,747.12x = 46,127.16 × 9,969
  4. Step 4: Simplify right side
    30,747.12x = 459,841,658.04
  5. Step 5: Solve for x
    x = 459,841,658.04/30,747.12
  6. Step 6: Final answer
    x = 14,955.60

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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.