Home / 56,420.70-77,825.16-36,303.72

Finding the Fourth Proportional to 56,420.70, 77,825.16 and 36,303.72

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Solution

The fourth proportional to 56,420.70, 77,825.16 and 36,303.72 is: 50,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420.70 : 77,825.16 = 36,303.72 : x
  2. Step 2: Convert to fraction form
    56,420.70/77,825.16 = 36,303.72/x
  3. Step 3: Cross multiply
    56,420.70x = 77,825.16 × 36,303.72
  4. Step 4: Simplify right side
    56,420.70x = 2,825,342,817.60
  5. Step 5: Solve for x
    x = 2,825,342,817.60/56,420.70
  6. Step 6: Final answer
    x = 50,076.35

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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.