Home / 36,038.64-49,781.34-28,991.64

Finding the Fourth Proportional to 36,038.64, 49,781.34 and 28,991.64

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Solution

The fourth proportional to 36,038.64, 49,781.34 and 28,991.64 is: 40,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.64 : 49,781.34 = 28,991.64 : x
  2. Step 2: Convert to fraction form
    36,038.64/49,781.34 = 28,991.64/x
  3. Step 3: Cross multiply
    36,038.64x = 49,781.34 × 28,991.64
  4. Step 4: Simplify right side
    36,038.64x = 1,443,242,688.00
  5. Step 5: Solve for x
    x = 1,443,242,688.00/36,038.64
  6. Step 6: Final answer
    x = 40,047.09

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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.