Home / 38,384.44-52,970.40-21,389.41

Finding the Fourth Proportional to 38,384.44, 52,970.40 and 21,389.41

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Solution

The fourth proportional to 38,384.44, 52,970.40 and 21,389.41 is: 29,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.44 : 52,970.40 = 21,389.41 : x
  2. Step 2: Convert to fraction form
    38,384.44/52,970.40 = 21,389.41/x
  3. Step 3: Cross multiply
    38,384.44x = 52,970.40 × 21,389.41
  4. Step 4: Simplify right side
    38,384.44x = 1,133,005,603.46
  5. Step 5: Solve for x
    x = 1,133,005,603.46/38,384.44
  6. Step 6: Final answer
    x = 29,517.31

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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.