Home / 51,430.79-70,943.45-33,968.21

Finding the Fourth Proportional to 51,430.79, 70,943.45 and 33,968.21

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Solution

The fourth proportional to 51,430.79, 70,943.45 and 33,968.21 is: 46,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430.79 : 70,943.45 = 33,968.21 : x
  2. Step 2: Convert to fraction form
    51,430.79/70,943.45 = 33,968.21/x
  3. Step 3: Cross multiply
    51,430.79x = 70,943.45 × 33,968.21
  4. Step 4: Simplify right side
    51,430.79x = 2,409,822,007.72
  5. Step 5: Solve for x
    x = 2,409,822,007.72/51,430.79
  6. Step 6: Final answer
    x = 46,855.63

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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.