Home / 30,202.02-45,303.48-10,481.20

Finding the Fourth Proportional to 30,202.02, 45,303.48 and 10,481.20

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Solution

The fourth proportional to 30,202.02, 45,303.48 and 10,481.20 is: 15,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.02 : 45,303.48 = 10,481.20 : x
  2. Step 2: Convert to fraction form
    30,202.02/45,303.48 = 10,481.20/x
  3. Step 3: Cross multiply
    30,202.02x = 45,303.48 × 10,481.20
  4. Step 4: Simplify right side
    30,202.02x = 474,834,721.32
  5. Step 5: Solve for x
    x = 474,834,721.32/30,202.02
  6. Step 6: Final answer
    x = 15,721.95

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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.