Home / 51,541.08-71,127.45-30,030.36

Finding the Fourth Proportional to 51,541.08, 71,127.45 and 30,030.36

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Solution

The fourth proportional to 51,541.08, 71,127.45 and 30,030.36 is: 41,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.08 : 71,127.45 = 30,030.36 : x
  2. Step 2: Convert to fraction form
    51,541.08/71,127.45 = 30,030.36/x
  3. Step 3: Cross multiply
    51,541.08x = 71,127.45 × 30,030.36
  4. Step 4: Simplify right side
    51,541.08x = 2,135,982,929.38
  5. Step 5: Solve for x
    x = 2,135,982,929.38/51,541.08
  6. Step 6: Final answer
    x = 41,442.34

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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.