Home / 36,038.93-49,730.04-20,934.79

Finding the Fourth Proportional to 36,038.93, 49,730.04 and 20,934.79

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Solution

The fourth proportional to 36,038.93, 49,730.04 and 20,934.79 is: 28,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.93 : 49,730.04 = 20,934.79 : x
  2. Step 2: Convert to fraction form
    36,038.93/49,730.04 = 20,934.79/x
  3. Step 3: Cross multiply
    36,038.93x = 49,730.04 × 20,934.79
  4. Step 4: Simplify right side
    36,038.93x = 1,041,088,132.60
  5. Step 5: Solve for x
    x = 1,041,088,132.60/36,038.93
  6. Step 6: Final answer
    x = 28,887.87

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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.