Home / 35,305.08-48,715.74-19,390.20

Finding the Fourth Proportional to 35,305.08, 48,715.74 and 19,390.20

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Solution

The fourth proportional to 35,305.08, 48,715.74 and 19,390.20 is: 26,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.08 : 48,715.74 = 19,390.20 : x
  2. Step 2: Convert to fraction form
    35,305.08/48,715.74 = 19,390.20/x
  3. Step 3: Cross multiply
    35,305.08x = 48,715.74 × 19,390.20
  4. Step 4: Simplify right side
    35,305.08x = 944,607,941.75
  5. Step 5: Solve for x
    x = 944,607,941.75/35,305.08
  6. Step 6: Final answer
    x = 26,755.58

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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.