Home / 40,051.90-55,271.04-22,146.51

Finding the Fourth Proportional to 40,051.90, 55,271.04 and 22,146.51

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Solution

The fourth proportional to 40,051.90, 55,271.04 and 22,146.51 is: 30,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.90 : 55,271.04 = 22,146.51 : x
  2. Step 2: Convert to fraction form
    40,051.90/55,271.04 = 22,146.51/x
  3. Step 3: Cross multiply
    40,051.90x = 55,271.04 × 22,146.51
  4. Step 4: Simplify right side
    40,051.90x = 1,224,060,640.07
  5. Step 5: Solve for x
    x = 1,224,060,640.07/40,051.90
  6. Step 6: Final answer
    x = 30,561.87

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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.