Home / 40,492.80-55,880.16-22,587.34

Finding the Fourth Proportional to 40,492.80, 55,880.16 and 22,587.34

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Solution

The fourth proportional to 40,492.80, 55,880.16 and 22,587.34 is: 31,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.80 : 55,880.16 = 22,587.34 : x
  2. Step 2: Convert to fraction form
    40,492.80/55,880.16 = 22,587.34/x
  3. Step 3: Cross multiply
    40,492.80x = 55,880.16 × 22,587.34
  4. Step 4: Simplify right side
    40,492.80x = 1,262,184,173.17
  5. Step 5: Solve for x
    x = 1,262,184,173.17/40,492.80
  6. Step 6: Final answer
    x = 31,170.58

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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.