Home / 38,483.51-53,106.44-21,487.28

Finding the Fourth Proportional to 38,483.51, 53,106.44 and 21,487.28

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Solution

The fourth proportional to 38,483.51, 53,106.44 and 21,487.28 is: 29,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.51 : 53,106.44 = 21,487.28 : x
  2. Step 2: Convert to fraction form
    38,483.51/53,106.44 = 21,487.28/x
  3. Step 3: Cross multiply
    38,483.51x = 53,106.44 × 21,487.28
  4. Step 4: Simplify right side
    38,483.51x = 1,141,112,573.11
  5. Step 5: Solve for x
    x = 1,141,112,573.11/38,483.51
  6. Step 6: Final answer
    x = 29,651.99

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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.