Home / 20,030.19-30,018.99-14,740.43

Finding the Fourth Proportional to 20,030.19, 30,018.99 and 14,740.43

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Solution

The fourth proportional to 20,030.19, 30,018.99 and 14,740.43 is: 22,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.19 : 30,018.99 = 14,740.43 : x
  2. Step 2: Convert to fraction form
    20,030.19/30,018.99 = 14,740.43/x
  3. Step 3: Cross multiply
    20,030.19x = 30,018.99 × 14,740.43
  4. Step 4: Simplify right side
    20,030.19x = 442,492,820.77
  5. Step 5: Solve for x
    x = 442,492,820.77/20,030.19
  6. Step 6: Final answer
    x = 22,091.29

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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.