Home / 30,010.56-44,990.30-18,331.98

Finding the Fourth Proportional to 30,010.56, 44,990.30 and 18,331.98

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Solution

The fourth proportional to 30,010.56, 44,990.30 and 18,331.98 is: 27,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.56 : 44,990.30 = 18,331.98 : x
  2. Step 2: Convert to fraction form
    30,010.56/44,990.30 = 18,331.98/x
  3. Step 3: Cross multiply
    30,010.56x = 44,990.30 × 18,331.98
  4. Step 4: Simplify right side
    30,010.56x = 824,761,279.79
  5. Step 5: Solve for x
    x = 824,761,279.79/30,010.56
  6. Step 6: Final answer
    x = 27,482.37

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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.