Home / 38,607.44-53,283.29-21,618.16

Finding the Fourth Proportional to 38,607.44, 53,283.29 and 21,618.16

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Solution

The fourth proportional to 38,607.44, 53,283.29 and 21,618.16 is: 29,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.44 : 53,283.29 = 21,618.16 : x
  2. Step 2: Convert to fraction form
    38,607.44/53,283.29 = 21,618.16/x
  3. Step 3: Cross multiply
    38,607.44x = 53,283.29 × 21,618.16
  4. Step 4: Simplify right side
    38,607.44x = 1,151,886,688.55
  5. Step 5: Solve for x
    x = 1,151,886,688.55/38,607.44
  6. Step 6: Final answer
    x = 29,835.87

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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.