Home / 40,686.51-60,946.61-30,168.39

Finding the Fourth Proportional to 40,686.51, 60,946.61 and 30,168.39

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Solution

The fourth proportional to 40,686.51, 60,946.61 and 30,168.39 is: 45,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.51 : 60,946.61 = 30,168.39 : x
  2. Step 2: Convert to fraction form
    40,686.51/60,946.61 = 30,168.39/x
  3. Step 3: Cross multiply
    40,686.51x = 60,946.61 × 30,168.39
  4. Step 4: Simplify right side
    40,686.51x = 1,838,660,948.82
  5. Step 5: Solve for x
    x = 1,838,660,948.82/40,686.51
  6. Step 6: Final answer
    x = 45,190.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.