Home / 35,678.95-53,524.61-11,988.81

Finding the Fourth Proportional to 35,678.95, 53,524.61 and 11,988.81

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Solution

The fourth proportional to 35,678.95, 53,524.61 and 11,988.81 is: 17,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.95 : 53,524.61 = 11,988.81 : x
  2. Step 2: Convert to fraction form
    35,678.95/53,524.61 = 11,988.81/x
  3. Step 3: Cross multiply
    35,678.95x = 53,524.61 × 11,988.81
  4. Step 4: Simplify right side
    35,678.95x = 641,696,409.59
  5. Step 5: Solve for x
    x = 641,696,409.59/35,678.95
  6. Step 6: Final answer
    x = 17,985.29

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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.