Home / 38,583.83-53,248.32-21,589.67

Finding the Fourth Proportional to 38,583.83, 53,248.32 and 21,589.67

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Solution

The fourth proportional to 38,583.83, 53,248.32 and 21,589.67 is: 29,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.83 : 53,248.32 = 21,589.67 : x
  2. Step 2: Convert to fraction form
    38,583.83/53,248.32 = 21,589.67/x
  3. Step 3: Cross multiply
    38,583.83x = 53,248.32 × 21,589.67
  4. Step 4: Simplify right side
    38,583.83x = 1,149,613,390.61
  5. Step 5: Solve for x
    x = 1,149,613,390.61/38,583.83
  6. Step 6: Final answer
    x = 29,795.22

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Double scale
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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.