Home / 39,082,539.36-53,940,360.24-21,684,482.40

Finding the Fourth Proportional to 39,082,539.36, 53,940,360.24 and 21,684,482.40

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Solution

The fourth proportional to 39,082,539.36, 53,940,360.24 and 21,684,482.40 is: 29,928,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082,539.36 : 53,940,360.24 = 21,684,482.40 : x
  2. Step 2: Convert to fraction form
    39,082,539.36/53,940,360.24 = 21,684,482.40/x
  3. Step 3: Cross multiply
    39,082,539.36x = 53,940,360.24 × 21,684,482.40
  4. Step 4: Simplify right side
    39,082,539.36x = 1,169,668,792,273,939.75
  5. Step 5: Solve for x
    x = 1,169,668,792,273,939.75/39,082,539.36
  6. Step 6: Final answer
    x = 29,928,167.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.