Home / 46,534.40-69,974.40-38,931.20

Finding the Fourth Proportional to 46,534.40, 69,974.40 and 38,931.20

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Solution

The fourth proportional to 46,534.40, 69,974.40 and 38,931.20 is: 58,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,534.40 : 69,974.40 = 38,931.20 : x
  2. Step 2: Convert to fraction form
    46,534.40/69,974.40 = 38,931.20/x
  3. Step 3: Cross multiply
    46,534.40x = 69,974.40 × 38,931.20
  4. Step 4: Simplify right side
    46,534.40x = 2,724,187,361.28
  5. Step 5: Solve for x
    x = 2,724,187,361.28/46,534.40
  6. Step 6: Final answer
    x = 58,541.37

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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.