Home / 39,112,955.84-53,971,501.44-21,710,034.56

Finding the Fourth Proportional to 39,112,955.84, 53,971,501.44 and 21,710,034.56

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Solution

The fourth proportional to 39,112,955.84, 53,971,501.44 and 21,710,034.56 is: 29,957,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112,955.84 : 53,971,501.44 = 21,710,034.56 : x
  2. Step 2: Convert to fraction form
    39,112,955.84/53,971,501.44 = 21,710,034.56/x
  3. Step 3: Cross multiply
    39,112,955.84x = 53,971,501.44 × 21,710,034.56
  4. Step 4: Simplify right side
    39,112,955.84x = 1,171,723,161,517,489.75
  5. Step 5: Solve for x
    x = 1,171,723,161,517,489.75/39,112,955.84
  6. Step 6: Final answer
    x = 29,957,417.85

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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.