Home / 34,741.95-51,988.36-30,078

Finding the Fourth Proportional to 34,741.95, 51,988.36 and 30,078

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Solution

The fourth proportional to 34,741.95, 51,988.36 and 30,078 is: 45,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,741.95 : 51,988.36 = 30,078 : x
  2. Step 2: Convert to fraction form
    34,741.95/51,988.36 = 30,078/x
  3. Step 3: Cross multiply
    34,741.95x = 51,988.36 × 30,078
  4. Step 4: Simplify right side
    34,741.95x = 1,563,705,892.08
  5. Step 5: Solve for x
    x = 1,563,705,892.08/34,741.95
  6. Step 6: Final answer
    x = 45,009.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.