Home / 35,638.81-53,470.10-11,948.70

Finding the Fourth Proportional to 35,638.81, 53,470.10 and 11,948.70

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Solution

The fourth proportional to 35,638.81, 53,470.10 and 11,948.70 is: 17,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.81 : 53,470.10 = 11,948.70 : x
  2. Step 2: Convert to fraction form
    35,638.81/53,470.10 = 11,948.70/x
  3. Step 3: Cross multiply
    35,638.81x = 53,470.10 × 11,948.70
  4. Step 4: Simplify right side
    35,638.81x = 638,898,183.87
  5. Step 5: Solve for x
    x = 638,898,183.87/35,638.81
  6. Step 6: Final answer
    x = 17,927.03

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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.