Home / 30,983.48-46,487.40-18,510.32

Finding the Fourth Proportional to 30,983.48, 46,487.40 and 18,510.32

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Solution

The fourth proportional to 30,983.48, 46,487.40 and 18,510.32 is: 27,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.48 : 46,487.40 = 18,510.32 : x
  2. Step 2: Convert to fraction form
    30,983.48/46,487.40 = 18,510.32/x
  3. Step 3: Cross multiply
    30,983.48x = 46,487.40 × 18,510.32
  4. Step 4: Simplify right side
    30,983.48x = 860,496,649.97
  5. Step 5: Solve for x
    x = 860,496,649.97/30,983.48
  6. Step 6: Final answer
    x = 27,772.76

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1.5x scale

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.