Home / 40,312.84-55,630.76-22,407.68

Finding the Fourth Proportional to 40,312.84, 55,630.76 and 22,407.68

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Solution

The fourth proportional to 40,312.84, 55,630.76 and 22,407.68 is: 30,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.84 : 55,630.76 = 22,407.68 : x
  2. Step 2: Convert to fraction form
    40,312.84/55,630.76 = 22,407.68/x
  3. Step 3: Cross multiply
    40,312.84x = 55,630.76 × 22,407.68
  4. Step 4: Simplify right side
    40,312.84x = 1,246,556,268.24
  5. Step 5: Solve for x
    x = 1,246,556,268.24/40,312.84
  6. Step 6: Final answer
    x = 30,922.07

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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.