Home / 37,381.89-51,586.36-20,386.27

Finding the Fourth Proportional to 37,381.89, 51,586.36 and 20,386.27

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Solution

The fourth proportional to 37,381.89, 51,586.36 and 20,386.27 is: 28,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,381.89 : 51,586.36 = 20,386.27 : x
  2. Step 2: Convert to fraction form
    37,381.89/51,586.36 = 20,386.27/x
  3. Step 3: Cross multiply
    37,381.89x = 51,586.36 × 20,386.27
  4. Step 4: Simplify right side
    37,381.89x = 1,051,653,463.28
  5. Step 5: Solve for x
    x = 1,051,653,463.28/37,381.89
  6. Step 6: Final answer
    x = 28,132.70

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1.5x scale

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.