Home / 51,459.36-70,975.80-36,336.30

Finding the Fourth Proportional to 51,459.36, 70,975.80 and 36,336.30

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Solution

The fourth proportional to 51,459.36, 70,975.80 and 36,336.30 is: 50,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.36 : 70,975.80 = 36,336.30 : x
  2. Step 2: Convert to fraction form
    51,459.36/70,975.80 = 36,336.30/x
  3. Step 3: Cross multiply
    51,459.36x = 70,975.80 × 36,336.30
  4. Step 4: Simplify right side
    51,459.36x = 2,578,997,961.54
  5. Step 5: Solve for x
    x = 2,578,997,961.54/51,459.36
  6. Step 6: Final answer
    x = 50,117.18

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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.