Home / 38,813.32-58,219.98-30,985.48

Finding the Fourth Proportional to 38,813.32, 58,219.98 and 30,985.48

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Solution

The fourth proportional to 38,813.32, 58,219.98 and 30,985.48 is: 46,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,813.32 : 58,219.98 = 30,985.48 : x
  2. Step 2: Convert to fraction form
    38,813.32/58,219.98 = 30,985.48/x
  3. Step 3: Cross multiply
    38,813.32x = 58,219.98 × 30,985.48
  4. Step 4: Simplify right side
    38,813.32x = 1,803,974,025.89
  5. Step 5: Solve for x
    x = 1,803,974,025.89/38,813.32
  6. Step 6: Final answer
    x = 46,478.22

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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.