Home / 37,381.79-51,588.10-20,386.96

Finding the Fourth Proportional to 37,381.79, 51,588.10 and 20,386.96

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Solution

The fourth proportional to 37,381.79, 51,588.10 and 20,386.96 is: 28,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,381.79 : 51,588.10 = 20,386.96 : x
  2. Step 2: Convert to fraction form
    37,381.79/51,588.10 = 20,386.96/x
  3. Step 3: Cross multiply
    37,381.79x = 51,588.10 × 20,386.96
  4. Step 4: Simplify right side
    37,381.79x = 1,051,724,531.18
  5. Step 5: Solve for x
    x = 1,051,724,531.18/37,381.79
  6. Step 6: Final answer
    x = 28,134.68

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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.