Home / 30,808.20-46,212.30-28,864.20

Finding the Fourth Proportional to 30,808.20, 46,212.30 and 28,864.20

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Solution

The fourth proportional to 30,808.20, 46,212.30 and 28,864.20 is: 43,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.20 : 46,212.30 = 28,864.20 : x
  2. Step 2: Convert to fraction form
    30,808.20/46,212.30 = 28,864.20/x
  3. Step 3: Cross multiply
    30,808.20x = 46,212.30 × 28,864.20
  4. Step 4: Simplify right side
    30,808.20x = 1,333,881,069.66
  5. Step 5: Solve for x
    x = 1,333,881,069.66/30,808.20
  6. Step 6: Final answer
    x = 43,296.30

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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.