Home / 49,616.57-74,427.29-20,030.72

Finding the Fourth Proportional to 49,616.57, 74,427.29 and 20,030.72

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Solution

The fourth proportional to 49,616.57, 74,427.29 and 20,030.72 is: 30,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,616.57 : 74,427.29 = 20,030.72 : x
  2. Step 2: Convert to fraction form
    49,616.57/74,427.29 = 20,030.72/x
  3. Step 3: Cross multiply
    49,616.57x = 74,427.29 × 20,030.72
  4. Step 4: Simplify right side
    49,616.57x = 1,490,831,809.17
  5. Step 5: Solve for x
    x = 1,490,831,809.17/49,616.57
  6. Step 6: Final answer
    x = 30,047.05

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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.