Home / 39,035,235.20-53,870,337.60-21,631,541.12

Finding the Fourth Proportional to 39,035,235.20, 53,870,337.60 and 21,631,541.12

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Solution

The fourth proportional to 39,035,235.20, 53,870,337.60 and 21,631,541.12 is: 29,852,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,035,235.20 : 53,870,337.60 = 21,631,541.12 : x
  2. Step 2: Convert to fraction form
    39,035,235.20/53,870,337.60 = 21,631,541.12/x
  3. Step 3: Cross multiply
    39,035,235.20x = 53,870,337.60 × 21,631,541.12
  4. Step 4: Simplify right side
    39,035,235.20x = 1,165,298,422,942,682.25
  5. Step 5: Solve for x
    x = 1,165,298,422,942,682.25/39,035,235.20
  6. Step 6: Final answer
    x = 29,852,476.03

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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.