Home / 30,017.76-45,025.02-15,226.30

Finding the Fourth Proportional to 30,017.76, 45,025.02 and 15,226.30

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Solution

The fourth proportional to 30,017.76, 45,025.02 and 15,226.30 is: 22,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.76 : 45,025.02 = 15,226.30 : x
  2. Step 2: Convert to fraction form
    30,017.76/45,025.02 = 15,226.30/x
  3. Step 3: Cross multiply
    30,017.76x = 45,025.02 × 15,226.30
  4. Step 4: Simplify right side
    30,017.76x = 685,564,462.03
  5. Step 5: Solve for x
    x = 685,564,462.03/30,017.76
  6. Step 6: Final answer
    x = 22,838.63

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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.