Home / 38,719.81-53,436.87-23,613.31

Finding the Fourth Proportional to 38,719.81, 53,436.87 and 23,613.31

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Solution

The fourth proportional to 38,719.81, 53,436.87 and 23,613.31 is: 32,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.81 : 53,436.87 = 23,613.31 : x
  2. Step 2: Convert to fraction form
    38,719.81/53,436.87 = 23,613.31/x
  3. Step 3: Cross multiply
    38,719.81x = 53,436.87 × 23,613.31
  4. Step 4: Simplify right side
    38,719.81x = 1,261,821,376.74
  5. Step 5: Solve for x
    x = 1,261,821,376.74/38,719.81
  6. Step 6: Final answer
    x = 32,588.52

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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.