Home / 58,224.40-87,355.07-20,783.65

Finding the Fourth Proportional to 58,224.40, 87,355.07 and 20,783.65

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Solution

The fourth proportional to 58,224.40, 87,355.07 and 20,783.65 is: 31,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,224.40 : 87,355.07 = 20,783.65 : x
  2. Step 2: Convert to fraction form
    58,224.40/87,355.07 = 20,783.65/x
  3. Step 3: Cross multiply
    58,224.40x = 87,355.07 × 20,783.65
  4. Step 4: Simplify right side
    58,224.40x = 1,815,557,200.61
  5. Step 5: Solve for x
    x = 1,815,557,200.61/58,224.40
  6. Step 6: Final answer
    x = 31,182.07

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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.