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Finding the Fourth Proportional to 35,998.84, 53,998.23 and 18,457.48

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Solution

The fourth proportional to 35,998.84, 53,998.23 and 18,457.48 is: 27,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.84 : 53,998.23 = 18,457.48 : x
  2. Step 2: Convert to fraction form
    35,998.84/53,998.23 = 18,457.48/x
  3. Step 3: Cross multiply
    35,998.84x = 53,998.23 × 18,457.48
  4. Step 4: Simplify right side
    35,998.84x = 996,671,250.26
  5. Step 5: Solve for x
    x = 996,671,250.26/35,998.84
  6. Step 6: Final answer
    x = 27,686.20

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Similar ratio
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1.5x scale

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.