Home / 38,477.09-57,715.67-30,735.11

Finding the Fourth Proportional to 38,477.09, 57,715.67 and 30,735.11

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Solution

The fourth proportional to 38,477.09, 57,715.67 and 30,735.11 is: 46,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.09 : 57,715.67 = 30,735.11 : x
  2. Step 2: Convert to fraction form
    38,477.09/57,715.67 = 30,735.11/x
  3. Step 3: Cross multiply
    38,477.09x = 57,715.67 × 30,735.11
  4. Step 4: Simplify right side
    38,477.09x = 1,773,897,687.30
  5. Step 5: Solve for x
    x = 1,773,897,687.30/38,477.09
  6. Step 6: Final answer
    x = 46,102.70

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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.