Home / 36,000.86-49,681.04-20,085.32

Finding the Fourth Proportional to 36,000.86, 49,681.04 and 20,085.32

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Solution

The fourth proportional to 36,000.86, 49,681.04 and 20,085.32 is: 27,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.86 : 49,681.04 = 20,085.32 : x
  2. Step 2: Convert to fraction form
    36,000.86/49,681.04 = 20,085.32/x
  3. Step 3: Cross multiply
    36,000.86x = 49,681.04 × 20,085.32
  4. Step 4: Simplify right side
    36,000.86x = 997,859,586.33
  5. Step 5: Solve for x
    x = 997,859,586.33/36,000.86
  6. Step 6: Final answer
    x = 27,717.66

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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.