Home / 36,139.43-49,877.66-20,823.00

Finding the Fourth Proportional to 36,139.43, 49,877.66 and 20,823.00

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Solution

The fourth proportional to 36,139.43, 49,877.66 and 20,823.00 is: 28,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.43 : 49,877.66 = 20,823.00 : x
  2. Step 2: Convert to fraction form
    36,139.43/49,877.66 = 20,823.00/x
  3. Step 3: Cross multiply
    36,139.43x = 49,877.66 × 20,823.00
  4. Step 4: Simplify right side
    36,139.43x = 1,038,602,490.19
  5. Step 5: Solve for x
    x = 1,038,602,490.19/36,139.43
  6. Step 6: Final answer
    x = 28,738.76

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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.