Home / 35,938.22-53,889.44-20,950.40

Finding the Fourth Proportional to 35,938.22, 53,889.44 and 20,950.40

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Solution

The fourth proportional to 35,938.22, 53,889.44 and 20,950.40 is: 31,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,938.22 : 53,889.44 = 20,950.40 : x
  2. Step 2: Convert to fraction form
    35,938.22/53,889.44 = 20,950.40/x
  3. Step 3: Cross multiply
    35,938.22x = 53,889.44 × 20,950.40
  4. Step 4: Simplify right side
    35,938.22x = 1,129,005,353.75
  5. Step 5: Solve for x
    x = 1,129,005,353.75/35,938.22
  6. Step 6: Final answer
    x = 31,415.18

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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.