Home / 35,859.15-53,656.05-21,635.88

Finding the Fourth Proportional to 35,859.15, 53,656.05 and 21,635.88

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Solution

The fourth proportional to 35,859.15, 53,656.05 and 21,635.88 is: 32,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.15 : 53,656.05 = 21,635.88 : x
  2. Step 2: Convert to fraction form
    35,859.15/53,656.05 = 21,635.88/x
  3. Step 3: Cross multiply
    35,859.15x = 53,656.05 × 21,635.88
  4. Step 4: Simplify right side
    35,859.15x = 1,160,895,859.07
  5. Step 5: Solve for x
    x = 1,160,895,859.07/35,859.15
  6. Step 6: Final answer
    x = 32,373.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.