Home / 51,022.85-70,412.38-28,053.64

Finding the Fourth Proportional to 51,022.85, 70,412.38 and 28,053.64

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Solution

The fourth proportional to 51,022.85, 70,412.38 and 28,053.64 is: 38,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.85 : 70,412.38 = 28,053.64 : x
  2. Step 2: Convert to fraction form
    51,022.85/70,412.38 = 28,053.64/x
  3. Step 3: Cross multiply
    51,022.85x = 70,412.38 × 28,053.64
  4. Step 4: Simplify right side
    51,022.85x = 1,975,323,340.46
  5. Step 5: Solve for x
    x = 1,975,323,340.46/51,022.85
  6. Step 6: Final answer
    x = 38,714.49

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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.