Home / 56,416.72-84,632.36-18,960.64

Finding the Fourth Proportional to 56,416.72, 84,632.36 and 18,960.64

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Solution

The fourth proportional to 56,416.72, 84,632.36 and 18,960.64 is: 28,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,416.72 : 84,632.36 = 18,960.64 : x
  2. Step 2: Convert to fraction form
    56,416.72/84,632.36 = 18,960.64/x
  3. Step 3: Cross multiply
    56,416.72x = 84,632.36 × 18,960.64
  4. Step 4: Simplify right side
    56,416.72x = 1,604,683,710.31
  5. Step 5: Solve for x
    x = 1,604,683,710.31/56,416.72
  6. Step 6: Final answer
    x = 28,443.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.