Home / 35,513.61-49,008.51-19,380.90

Finding the Fourth Proportional to 35,513.61, 49,008.51 and 19,380.90

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Solution

The fourth proportional to 35,513.61, 49,008.51 and 19,380.90 is: 26,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.61 : 49,008.51 = 19,380.90 : x
  2. Step 2: Convert to fraction form
    35,513.61/49,008.51 = 19,380.90/x
  3. Step 3: Cross multiply
    35,513.61x = 49,008.51 × 19,380.90
  4. Step 4: Simplify right side
    35,513.61x = 949,829,031.46
  5. Step 5: Solve for x
    x = 949,829,031.46/35,513.61
  6. Step 6: Final answer
    x = 26,745.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.