Home / 39,047.04-53,884.89-21,141.99

Finding the Fourth Proportional to 39,047.04, 53,884.89 and 21,141.99

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Solution

The fourth proportional to 39,047.04, 53,884.89 and 21,141.99 is: 29,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047.04 : 53,884.89 = 21,141.99 : x
  2. Step 2: Convert to fraction form
    39,047.04/53,884.89 = 21,141.99/x
  3. Step 3: Cross multiply
    39,047.04x = 53,884.89 × 21,141.99
  4. Step 4: Simplify right side
    39,047.04x = 1,139,233,805.53
  5. Step 5: Solve for x
    x = 1,139,233,805.53/39,047.04
  6. Step 6: Final answer
    x = 29,175.93

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1.5x scale

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.