Home / 56,181.04-77,529.36-31,030

Finding the Fourth Proportional to 56,181.04, 77,529.36 and 31,030

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Solution

The fourth proportional to 56,181.04, 77,529.36 and 31,030 is: 42,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.04 : 77,529.36 = 31,030 : x
  2. Step 2: Convert to fraction form
    56,181.04/77,529.36 = 31,030/x
  3. Step 3: Cross multiply
    56,181.04x = 77,529.36 × 31,030
  4. Step 4: Simplify right side
    56,181.04x = 2,405,736,040.80
  5. Step 5: Solve for x
    x = 2,405,736,040.80/56,181.04
  6. Step 6: Final answer
    x = 42,821.14

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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.