Home / 57,492.81-86,136.62-31,180.77

Finding the Fourth Proportional to 57,492.81, 86,136.62 and 31,180.77

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Solution

The fourth proportional to 57,492.81, 86,136.62 and 31,180.77 is: 46,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492.81 : 86,136.62 = 31,180.77 : x
  2. Step 2: Convert to fraction form
    57,492.81/86,136.62 = 31,180.77/x
  3. Step 3: Cross multiply
    57,492.81x = 86,136.62 × 31,180.77
  4. Step 4: Simplify right side
    57,492.81x = 2,685,805,980.89
  5. Step 5: Solve for x
    x = 2,685,805,980.89/57,492.81
  6. Step 6: Final answer
    x = 46,715.51

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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.