Home / 38,607.93-53,279.24-21,840.93

Finding the Fourth Proportional to 38,607.93, 53,279.24 and 21,840.93

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Solution

The fourth proportional to 38,607.93, 53,279.24 and 21,840.93 is: 30,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.93 : 53,279.24 = 21,840.93 : x
  2. Step 2: Convert to fraction form
    38,607.93/53,279.24 = 21,840.93/x
  3. Step 3: Cross multiply
    38,607.93x = 53,279.24 × 21,840.93
  4. Step 4: Simplify right side
    38,607.93x = 1,163,668,042.09
  5. Step 5: Solve for x
    x = 1,163,668,042.09/38,607.93
  6. Step 6: Final answer
    x = 30,140.65

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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.