Home / 65,947.65-91,012.22-37,257.36

Finding the Fourth Proportional to 65,947.65, 91,012.22 and 37,257.36

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Solution

The fourth proportional to 65,947.65, 91,012.22 and 37,257.36 is: 51,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,947.65 : 91,012.22 = 37,257.36 : x
  2. Step 2: Convert to fraction form
    65,947.65/91,012.22 = 37,257.36/x
  3. Step 3: Cross multiply
    65,947.65x = 91,012.22 × 37,257.36
  4. Step 4: Simplify right side
    65,947.65x = 3,390,875,044.94
  5. Step 5: Solve for x
    x = 3,390,875,044.94/65,947.65
  6. Step 6: Final answer
    x = 51,417.68

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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.