Home / 30,490.02-45,734.49-12,022.02

Finding the Fourth Proportional to 30,490.02, 45,734.49 and 12,022.02

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Solution

The fourth proportional to 30,490.02, 45,734.49 and 12,022.02 is: 18,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.02 : 45,734.49 = 12,022.02 : x
  2. Step 2: Convert to fraction form
    30,490.02/45,734.49 = 12,022.02/x
  3. Step 3: Cross multiply
    30,490.02x = 45,734.49 × 12,022.02
  4. Step 4: Simplify right side
    30,490.02x = 549,820,953.47
  5. Step 5: Solve for x
    x = 549,820,953.47/30,490.02
  6. Step 6: Final answer
    x = 18,032.82

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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.