Home / 39,975.95-55,160.91-22,980.92

Finding the Fourth Proportional to 39,975.95, 55,160.91 and 22,980.92

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Solution

The fourth proportional to 39,975.95, 55,160.91 and 22,980.92 is: 31,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.95 : 55,160.91 = 22,980.92 : x
  2. Step 2: Convert to fraction form
    39,975.95/55,160.91 = 22,980.92/x
  3. Step 3: Cross multiply
    39,975.95x = 55,160.91 × 22,980.92
  4. Step 4: Simplify right side
    39,975.95x = 1,267,648,184.03
  5. Step 5: Solve for x
    x = 1,267,648,184.03/39,975.95
  6. Step 6: Final answer
    x = 31,710.27

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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.