Home / 35,155.31-48,515.56-19,239.77

Finding the Fourth Proportional to 35,155.31, 48,515.56 and 19,239.77

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Solution

The fourth proportional to 35,155.31, 48,515.56 and 19,239.77 is: 26,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.31 : 48,515.56 = 19,239.77 : x
  2. Step 2: Convert to fraction form
    35,155.31/48,515.56 = 19,239.77/x
  3. Step 3: Cross multiply
    35,155.31x = 48,515.56 × 19,239.77
  4. Step 4: Simplify right side
    35,155.31x = 933,428,289.01
  5. Step 5: Solve for x
    x = 933,428,289.01/35,155.31
  6. Step 6: Final answer
    x = 26,551.56

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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.