Home / 39,758.72-54,870.81-22,764.30

Finding the Fourth Proportional to 39,758.72, 54,870.81 and 22,764.30

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Solution

The fourth proportional to 39,758.72, 54,870.81 and 22,764.30 is: 31,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.72 : 54,870.81 = 22,764.30 : x
  2. Step 2: Convert to fraction form
    39,758.72/54,870.81 = 22,764.30/x
  3. Step 3: Cross multiply
    39,758.72x = 54,870.81 × 22,764.30
  4. Step 4: Simplify right side
    39,758.72x = 1,249,095,580.08
  5. Step 5: Solve for x
    x = 1,249,095,580.08/39,758.72
  6. Step 6: Final answer
    x = 31,416.90

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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.