Home / 31,120.02-46,586.43-28,457.46

Finding the Fourth Proportional to 31,120.02, 46,586.43 and 28,457.46

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Solution

The fourth proportional to 31,120.02, 46,586.43 and 28,457.46 is: 42,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.02 : 46,586.43 = 28,457.46 : x
  2. Step 2: Convert to fraction form
    31,120.02/46,586.43 = 28,457.46/x
  3. Step 3: Cross multiply
    31,120.02x = 46,586.43 × 28,457.46
  4. Step 4: Simplify right side
    31,120.02x = 1,325,731,468.27
  5. Step 5: Solve for x
    x = 1,325,731,468.27/31,120.02
  6. Step 6: Final answer
    x = 42,600.60

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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.