Home / 71,040.36-98,030.40-40,825.74

Finding the Fourth Proportional to 71,040.36, 98,030.40 and 40,825.74

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Solution

The fourth proportional to 71,040.36, 98,030.40 and 40,825.74 is: 56,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.36 : 98,030.40 = 40,825.74 : x
  2. Step 2: Convert to fraction form
    71,040.36/98,030.40 = 40,825.74/x
  3. Step 3: Cross multiply
    71,040.36x = 98,030.40 × 40,825.74
  4. Step 4: Simplify right side
    71,040.36x = 4,002,163,622.50
  5. Step 5: Solve for x
    x = 4,002,163,622.50/71,040.36
  6. Step 6: Final answer
    x = 56,336.48

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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.