Home / 30,948.69-46,422.62-9,888.46

Finding the Fourth Proportional to 30,948.69, 46,422.62 and 9,888.46

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Solution

The fourth proportional to 30,948.69, 46,422.62 and 9,888.46 is: 14,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.69 : 46,422.62 = 9,888.46 : x
  2. Step 2: Convert to fraction form
    30,948.69/46,422.62 = 9,888.46/x
  3. Step 3: Cross multiply
    30,948.69x = 46,422.62 × 9,888.46
  4. Step 4: Simplify right side
    30,948.69x = 459,048,092.55
  5. Step 5: Solve for x
    x = 459,048,092.55/30,948.69
  6. Step 6: Final answer
    x = 14,832.55

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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.