Home / 38,444.36-53,055.06-21,677

Finding the Fourth Proportional to 38,444.36, 53,055.06 and 21,677

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Solution

The fourth proportional to 38,444.36, 53,055.06 and 21,677 is: 29,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.36 : 53,055.06 = 21,677 : x
  2. Step 2: Convert to fraction form
    38,444.36/53,055.06 = 21,677/x
  3. Step 3: Cross multiply
    38,444.36x = 53,055.06 × 21,677
  4. Step 4: Simplify right side
    38,444.36x = 1,150,074,535.62
  5. Step 5: Solve for x
    x = 1,150,074,535.62/38,444.36
  6. Step 6: Final answer
    x = 29,915.30

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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.