Home / 38,602.36-57,912.05-21,970.23

Finding the Fourth Proportional to 38,602.36, 57,912.05 and 21,970.23

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Solution

The fourth proportional to 38,602.36, 57,912.05 and 21,970.23 is: 32,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,602.36 : 57,912.05 = 21,970.23 : x
  2. Step 2: Convert to fraction form
    38,602.36/57,912.05 = 21,970.23/x
  3. Step 3: Cross multiply
    38,602.36x = 57,912.05 × 21,970.23
  4. Step 4: Simplify right side
    38,602.36x = 1,272,341,058.27
  5. Step 5: Solve for x
    x = 1,272,341,058.27/38,602.36
  6. Step 6: Final answer
    x = 32,960.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.