Home / 36,007.08-49,688.74-20,898.88

Finding the Fourth Proportional to 36,007.08, 49,688.74 and 20,898.88

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Solution

The fourth proportional to 36,007.08, 49,688.74 and 20,898.88 is: 28,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.08 : 49,688.74 = 20,898.88 : x
  2. Step 2: Convert to fraction form
    36,007.08/49,688.74 = 20,898.88/x
  3. Step 3: Cross multiply
    36,007.08x = 49,688.74 × 20,898.88
  4. Step 4: Simplify right side
    36,007.08x = 1,038,439,014.61
  5. Step 5: Solve for x
    x = 1,038,439,014.61/36,007.08
  6. Step 6: Final answer
    x = 28,839.86

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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.