Home / 47,939.36-66,156.65-26,720.00

Finding the Fourth Proportional to 47,939.36, 66,156.65 and 26,720.00

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Solution

The fourth proportional to 47,939.36, 66,156.65 and 26,720.00 is: 36,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.36 : 66,156.65 = 26,720.00 : x
  2. Step 2: Convert to fraction form
    47,939.36/66,156.65 = 26,720.00/x
  3. Step 3: Cross multiply
    47,939.36x = 66,156.65 × 26,720.00
  4. Step 4: Simplify right side
    47,939.36x = 1,767,705,223.62
  5. Step 5: Solve for x
    x = 1,767,705,223.62/47,939.36
  6. Step 6: Final answer
    x = 36,873.77

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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.