Home / 58,421.07-80,620.96-31,563.49

Finding the Fourth Proportional to 58,421.07, 80,620.96 and 31,563.49

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Solution

The fourth proportional to 58,421.07, 80,620.96 and 31,563.49 is: 43,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.07 : 80,620.96 = 31,563.49 : x
  2. Step 2: Convert to fraction form
    58,421.07/80,620.96 = 31,563.49/x
  3. Step 3: Cross multiply
    58,421.07x = 80,620.96 × 31,563.49
  4. Step 4: Simplify right side
    58,421.07x = 2,544,678,864.75
  5. Step 5: Solve for x
    x = 2,544,678,864.75/58,421.07
  6. Step 6: Final answer
    x = 43,557.55

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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.