Home / 42,903.75-64,365.36-15,201.75

Finding the Fourth Proportional to 42,903.75, 64,365.36 and 15,201.75

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Solution

The fourth proportional to 42,903.75, 64,365.36 and 15,201.75 is: 22,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.75 : 64,365.36 = 15,201.75 : x
  2. Step 2: Convert to fraction form
    42,903.75/64,365.36 = 15,201.75/x
  3. Step 3: Cross multiply
    42,903.75x = 64,365.36 × 15,201.75
  4. Step 4: Simplify right side
    42,903.75x = 978,466,111.38
  5. Step 5: Solve for x
    x = 978,466,111.38/42,903.75
  6. Step 6: Final answer
    x = 22,806.07

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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.