Home / 56,116.53-77,440.86-30,966.03

Finding the Fourth Proportional to 56,116.53, 77,440.86 and 30,966.03

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Solution

The fourth proportional to 56,116.53, 77,440.86 and 30,966.03 is: 42,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.53 : 77,440.86 = 30,966.03 : x
  2. Step 2: Convert to fraction form
    56,116.53/77,440.86 = 30,966.03/x
  3. Step 3: Cross multiply
    56,116.53x = 77,440.86 × 30,966.03
  4. Step 4: Simplify right side
    56,116.53x = 2,398,035,993.99
  5. Step 5: Solve for x
    x = 2,398,035,993.99/56,116.53
  6. Step 6: Final answer
    x = 42,733.15

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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.