Home / 38,484.51-53,107.81-21,488.28

Finding the Fourth Proportional to 38,484.51, 53,107.81 and 21,488.28

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Solution

The fourth proportional to 38,484.51, 53,107.81 and 21,488.28 is: 29,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.51 : 53,107.81 = 21,488.28 : x
  2. Step 2: Convert to fraction form
    38,484.51/53,107.81 = 21,488.28/x
  3. Step 3: Cross multiply
    38,484.51x = 53,107.81 × 21,488.28
  4. Step 4: Simplify right side
    38,484.51x = 1,141,195,491.47
  5. Step 5: Solve for x
    x = 1,141,195,491.47/38,484.51
  6. Step 6: Final answer
    x = 29,653.37

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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.