Home / 37,381.40-51,585.68-20,385.77

Finding the Fourth Proportional to 37,381.40, 51,585.68 and 20,385.77

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Solution

The fourth proportional to 37,381.40, 51,585.68 and 20,385.77 is: 28,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,381.40 : 51,585.68 = 20,385.77 : x
  2. Step 2: Convert to fraction form
    37,381.40/51,585.68 = 20,385.77/x
  3. Step 3: Cross multiply
    37,381.40x = 51,585.68 × 20,385.77
  4. Step 4: Simplify right side
    37,381.40x = 1,051,613,705.84
  5. Step 5: Solve for x
    x = 1,051,613,705.84/37,381.40
  6. Step 6: Final answer
    x = 28,132.01

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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.