Home / 47,659.72-71,490.09-14,380.07

Finding the Fourth Proportional to 47,659.72, 71,490.09 and 14,380.07

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Solution

The fourth proportional to 47,659.72, 71,490.09 and 14,380.07 is: 21,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,659.72 : 71,490.09 = 14,380.07 : x
  2. Step 2: Convert to fraction form
    47,659.72/71,490.09 = 14,380.07/x
  3. Step 3: Cross multiply
    47,659.72x = 71,490.09 × 14,380.07
  4. Step 4: Simplify right side
    47,659.72x = 1,028,032,498.51
  5. Step 5: Solve for x
    x = 1,028,032,498.51/47,659.72
  6. Step 6: Final answer
    x = 21,570.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.