Home / 39,200.36-54,094.96-21,294.96

Finding the Fourth Proportional to 39,200.36, 54,094.96 and 21,294.96

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Solution

The fourth proportional to 39,200.36, 54,094.96 and 21,294.96 is: 29,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.36 : 54,094.96 = 21,294.96 : x
  2. Step 2: Convert to fraction form
    39,200.36/54,094.96 = 21,294.96/x
  3. Step 3: Cross multiply
    39,200.36x = 54,094.96 × 21,294.96
  4. Step 4: Simplify right side
    39,200.36x = 1,151,950,009.40
  5. Step 5: Solve for x
    x = 1,151,950,009.40/39,200.36
  6. Step 6: Final answer
    x = 29,386.21

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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.