Home / 40,699.08-56,148.48-23,700.78

Finding the Fourth Proportional to 40,699.08, 56,148.48 and 23,700.78

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Solution

The fourth proportional to 40,699.08, 56,148.48 and 23,700.78 is: 32,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.08 : 56,148.48 = 23,700.78 : x
  2. Step 2: Convert to fraction form
    40,699.08/56,148.48 = 23,700.78/x
  3. Step 3: Cross multiply
    40,699.08x = 56,148.48 × 23,700.78
  4. Step 4: Simplify right side
    40,699.08x = 1,330,762,771.81
  5. Step 5: Solve for x
    x = 1,330,762,771.81/40,699.08
  6. Step 6: Final answer
    x = 32,697.61

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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.