Home / 38,621.07-53,296.67-21,625.47

Finding the Fourth Proportional to 38,621.07, 53,296.67 and 21,625.47

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Solution

The fourth proportional to 38,621.07, 53,296.67 and 21,625.47 is: 29,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.07 : 53,296.67 = 21,625.47 : x
  2. Step 2: Convert to fraction form
    38,621.07/53,296.67 = 21,625.47/x
  3. Step 3: Cross multiply
    38,621.07x = 53,296.67 × 21,625.47
  4. Step 4: Simplify right side
    38,621.07x = 1,152,565,430.06
  5. Step 5: Solve for x
    x = 1,152,565,430.06/38,621.07
  6. Step 6: Final answer
    x = 29,842.92

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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.