Home / 39,022,864.16-53,849,431.68-21,618,171.32

Finding the Fourth Proportional to 39,022,864.16, 53,849,431.68 and 21,618,171.32

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Solution

The fourth proportional to 39,022,864.16, 53,849,431.68 and 21,618,171.32 is: 29,831,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022,864.16 : 53,849,431.68 = 21,618,171.32 : x
  2. Step 2: Convert to fraction form
    39,022,864.16/53,849,431.68 = 21,618,171.32/x
  3. Step 3: Cross multiply
    39,022,864.16x = 53,849,431.68 × 21,618,171.32
  4. Step 4: Simplify right side
    39,022,864.16x = 1,164,126,239,542,875.50
  5. Step 5: Solve for x
    x = 1,164,126,239,542,875.50/39,022,864.16
  6. Step 6: Final answer
    x = 29,831,901.49

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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.