Home / 65,947.20-91,038.66-37,647.42

Finding the Fourth Proportional to 65,947.20, 91,038.66 and 37,647.42

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Solution

The fourth proportional to 65,947.20, 91,038.66 and 37,647.42 is: 51,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,947.20 : 91,038.66 = 37,647.42 : x
  2. Step 2: Convert to fraction form
    65,947.20/91,038.66 = 37,647.42/x
  3. Step 3: Cross multiply
    65,947.20x = 91,038.66 × 37,647.42
  4. Step 4: Simplify right side
    65,947.20x = 3,427,370,669.26
  5. Step 5: Solve for x
    x = 3,427,370,669.26/65,947.20
  6. Step 6: Final answer
    x = 51,971.44

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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.