Home / 39,148.08-54,020.70-22,153.88

Finding the Fourth Proportional to 39,148.08, 54,020.70 and 22,153.88

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Solution

The fourth proportional to 39,148.08, 54,020.70 and 22,153.88 is: 30,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.08 : 54,020.70 = 22,153.88 : x
  2. Step 2: Convert to fraction form
    39,148.08/54,020.70 = 22,153.88/x
  3. Step 3: Cross multiply
    39,148.08x = 54,020.70 × 22,153.88
  4. Step 4: Simplify right side
    39,148.08x = 1,196,767,835.21
  5. Step 5: Solve for x
    x = 1,196,767,835.21/39,148.08
  6. Step 6: Final answer
    x = 30,570.28

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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.