Home / 57,792.30-86,688.18-18,352.41

Finding the Fourth Proportional to 57,792.30, 86,688.18 and 18,352.41

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Solution

The fourth proportional to 57,792.30, 86,688.18 and 18,352.41 is: 27,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,792.30 : 86,688.18 = 18,352.41 : x
  2. Step 2: Convert to fraction form
    57,792.30/86,688.18 = 18,352.41/x
  3. Step 3: Cross multiply
    57,792.30x = 86,688.18 × 18,352.41
  4. Step 4: Simplify right side
    57,792.30x = 1,590,937,021.51
  5. Step 5: Solve for x
    x = 1,590,937,021.51/57,792.30
  6. Step 6: Final answer
    x = 27,528.53

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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.