Home / 35,513.32-49,012.90-21,373.80

Finding the Fourth Proportional to 35,513.32, 49,012.90 and 21,373.80

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Solution

The fourth proportional to 35,513.32, 49,012.90 and 21,373.80 is: 29,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.32 : 49,012.90 = 21,373.80 : x
  2. Step 2: Convert to fraction form
    35,513.32/49,012.90 = 21,373.80/x
  3. Step 3: Cross multiply
    35,513.32x = 49,012.90 × 21,373.80
  4. Step 4: Simplify right side
    35,513.32x = 1,047,591,922.02
  5. Step 5: Solve for x
    x = 1,047,591,922.02/35,513.32
  6. Step 6: Final answer
    x = 29,498.56

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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.