Home / 30,137.02-45,206.20-7,952.62

Finding the Fourth Proportional to 30,137.02, 45,206.20 and 7,952.62

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Solution

The fourth proportional to 30,137.02, 45,206.20 and 7,952.62 is: 11,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.02 : 45,206.20 = 7,952.62 : x
  2. Step 2: Convert to fraction form
    30,137.02/45,206.20 = 7,952.62/x
  3. Step 3: Cross multiply
    30,137.02x = 45,206.20 × 7,952.62
  4. Step 4: Simplify right side
    30,137.02x = 359,507,730.24
  5. Step 5: Solve for x
    x = 359,507,730.24/30,137.02
  6. Step 6: Final answer
    x = 11,929.11

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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.