Home / 50,985.68-70,361.16-28,630.48

Finding the Fourth Proportional to 50,985.68, 70,361.16 and 28,630.48

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Solution

The fourth proportional to 50,985.68, 70,361.16 and 28,630.48 is: 39,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.68 : 70,361.16 = 28,630.48 : x
  2. Step 2: Convert to fraction form
    50,985.68/70,361.16 = 28,630.48/x
  3. Step 3: Cross multiply
    50,985.68x = 70,361.16 × 28,630.48
  4. Step 4: Simplify right side
    50,985.68x = 2,014,473,784.16
  5. Step 5: Solve for x
    x = 2,014,473,784.16/50,985.68
  6. Step 6: Final answer
    x = 39,510.58

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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.