Home / 35,298.72-48,703.08-21,141.52

Finding the Fourth Proportional to 35,298.72, 48,703.08 and 21,141.52

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Solution

The fourth proportional to 35,298.72, 48,703.08 and 21,141.52 is: 29,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,298.72 : 48,703.08 = 21,141.52 : x
  2. Step 2: Convert to fraction form
    35,298.72/48,703.08 = 21,141.52/x
  3. Step 3: Cross multiply
    35,298.72x = 48,703.08 × 21,141.52
  4. Step 4: Simplify right side
    35,298.72x = 1,029,657,139.88
  5. Step 5: Solve for x
    x = 1,029,657,139.88/35,298.72
  6. Step 6: Final answer
    x = 29,169.82

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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.