Home / 56,431.27-77,900.21-36,040.03

Finding the Fourth Proportional to 56,431.27, 77,900.21 and 36,040.03

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Solution

The fourth proportional to 56,431.27, 77,900.21 and 36,040.03 is: 49,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,431.27 : 77,900.21 = 36,040.03 : x
  2. Step 2: Convert to fraction form
    56,431.27/77,900.21 = 36,040.03/x
  3. Step 3: Cross multiply
    56,431.27x = 77,900.21 × 36,040.03
  4. Step 4: Simplify right side
    56,431.27x = 2,807,525,905.41
  5. Step 5: Solve for x
    x = 2,807,525,905.41/56,431.27
  6. Step 6: Final answer
    x = 49,751.24

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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.