Home / 40,678.43-56,134.58-23,683.16

Finding the Fourth Proportional to 40,678.43, 56,134.58 and 23,683.16

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Solution

The fourth proportional to 40,678.43, 56,134.58 and 23,683.16 is: 32,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.43 : 56,134.58 = 23,683.16 : x
  2. Step 2: Convert to fraction form
    40,678.43/56,134.58 = 23,683.16/x
  3. Step 3: Cross multiply
    40,678.43x = 56,134.58 × 23,683.16
  4. Step 4: Simplify right side
    40,678.43x = 1,329,443,840.58
  5. Step 5: Solve for x
    x = 1,329,443,840.58/40,678.43
  6. Step 6: Final answer
    x = 32,681.79

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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.