Home / 36,002.18-49,681.40-20,893.66

Finding the Fourth Proportional to 36,002.18, 49,681.40 and 20,893.66

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Solution

The fourth proportional to 36,002.18, 49,681.40 and 20,893.66 is: 28,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.18 : 49,681.40 = 20,893.66 : x
  2. Step 2: Convert to fraction form
    36,002.18/49,681.40 = 20,893.66/x
  3. Step 3: Cross multiply
    36,002.18x = 49,681.40 × 20,893.66
  4. Step 4: Simplify right side
    36,002.18x = 1,038,026,279.92
  5. Step 5: Solve for x
    x = 1,038,026,279.92/36,002.18
  6. Step 6: Final answer
    x = 28,832.32

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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.