Home / 56,235.96-84,326.12-18,783.16

Finding the Fourth Proportional to 56,235.96, 84,326.12 and 18,783.16

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Solution

The fourth proportional to 56,235.96, 84,326.12 and 18,783.16 is: 28,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.96 : 84,326.12 = 18,783.16 : x
  2. Step 2: Convert to fraction form
    56,235.96/84,326.12 = 18,783.16/x
  3. Step 3: Cross multiply
    56,235.96x = 84,326.12 × 18,783.16
  4. Step 4: Simplify right side
    56,235.96x = 1,583,911,004.14
  5. Step 5: Solve for x
    x = 1,583,911,004.14/56,235.96
  6. Step 6: Final answer
    x = 28,165.45

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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.