Home / 56,028.63-77,318.51-30,534.84

Finding the Fourth Proportional to 56,028.63, 77,318.51 and 30,534.84

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Solution

The fourth proportional to 56,028.63, 77,318.51 and 30,534.84 is: 42,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,028.63 : 77,318.51 = 30,534.84 : x
  2. Step 2: Convert to fraction form
    56,028.63/77,318.51 = 30,534.84/x
  3. Step 3: Cross multiply
    56,028.63x = 77,318.51 × 30,534.84
  4. Step 4: Simplify right side
    56,028.63x = 2,360,908,331.89
  5. Step 5: Solve for x
    x = 2,360,908,331.89/56,028.63
  6. Step 6: Final answer
    x = 42,137.53

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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.