Home / 38,437.91-53,044.22-21,670.79

Finding the Fourth Proportional to 38,437.91, 53,044.22 and 21,670.79

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Solution

The fourth proportional to 38,437.91, 53,044.22 and 21,670.79 is: 29,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437.91 : 53,044.22 = 21,670.79 : x
  2. Step 2: Convert to fraction form
    38,437.91/53,044.22 = 21,670.79/x
  3. Step 3: Cross multiply
    38,437.91x = 53,044.22 × 21,670.79
  4. Step 4: Simplify right side
    38,437.91x = 1,149,509,941.29
  5. Step 5: Solve for x
    x = 1,149,509,941.29/38,437.91
  6. Step 6: Final answer
    x = 29,905.63

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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.