Home / 51,015.04-70,399.60-29,503.16

Finding the Fourth Proportional to 51,015.04, 70,399.60 and 29,503.16

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Solution

The fourth proportional to 51,015.04, 70,399.60 and 29,503.16 is: 40,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.04 : 70,399.60 = 29,503.16 : x
  2. Step 2: Convert to fraction form
    51,015.04/70,399.60 = 29,503.16/x
  3. Step 3: Cross multiply
    51,015.04x = 70,399.60 × 29,503.16
  4. Step 4: Simplify right side
    51,015.04x = 2,077,010,662.74
  5. Step 5: Solve for x
    x = 2,077,010,662.74/51,015.04
  6. Step 6: Final answer
    x = 40,713.69

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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.