Home / 35,013.12-48,309.48-21,397.68

Finding the Fourth Proportional to 35,013.12, 48,309.48 and 21,397.68

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Solution

The fourth proportional to 35,013.12, 48,309.48 and 21,397.68 is: 29,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,013.12 : 48,309.48 = 21,397.68 : x
  2. Step 2: Convert to fraction form
    35,013.12/48,309.48 = 21,397.68/x
  3. Step 3: Cross multiply
    35,013.12x = 48,309.48 × 21,397.68
  4. Step 4: Simplify right side
    35,013.12x = 1,033,710,794.01
  5. Step 5: Solve for x
    x = 1,033,710,794.01/35,013.12
  6. Step 6: Final answer
    x = 29,523.53

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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.