Home / 34,208.20-51,215.10-30,320.20

Finding the Fourth Proportional to 34,208.20, 51,215.10 and 30,320.20

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Solution

The fourth proportional to 34,208.20, 51,215.10 and 30,320.20 is: 45,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,208.20 : 51,215.10 = 30,320.20 : x
  2. Step 2: Convert to fraction form
    34,208.20/51,215.10 = 30,320.20/x
  3. Step 3: Cross multiply
    34,208.20x = 51,215.10 × 30,320.20
  4. Step 4: Simplify right side
    34,208.20x = 1,552,852,075.02
  5. Step 5: Solve for x
    x = 1,552,852,075.02/34,208.20
  6. Step 6: Final answer
    x = 45,394.15

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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.