Home / 30,830.24-46,207.60-13,262.88

Finding the Fourth Proportional to 30,830.24, 46,207.60 and 13,262.88

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Solution

The fourth proportional to 30,830.24, 46,207.60 and 13,262.88 is: 19,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.24 : 46,207.60 = 13,262.88 : x
  2. Step 2: Convert to fraction form
    30,830.24/46,207.60 = 13,262.88/x
  3. Step 3: Cross multiply
    30,830.24x = 46,207.60 × 13,262.88
  4. Step 4: Simplify right side
    30,830.24x = 612,845,853.89
  5. Step 5: Solve for x
    x = 612,845,853.89/30,830.24
  6. Step 6: Final answer
    x = 19,878.08

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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.