Home / 30,988.07-46,485.16-9,922.80

Finding the Fourth Proportional to 30,988.07, 46,485.16 and 9,922.80

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Solution

The fourth proportional to 30,988.07, 46,485.16 and 9,922.80 is: 14,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.07 : 46,485.16 = 9,922.80 : x
  2. Step 2: Convert to fraction form
    30,988.07/46,485.16 = 9,922.80/x
  3. Step 3: Cross multiply
    30,988.07x = 46,485.16 × 9,922.80
  4. Step 4: Simplify right side
    30,988.07x = 461,262,920.84
  5. Step 5: Solve for x
    x = 461,262,920.84/30,988.07
  6. Step 6: Final answer
    x = 14,885.18

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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.