Home / 30,637.80-45,892.11-14,011.83

Finding the Fourth Proportional to 30,637.80, 45,892.11 and 14,011.83

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Solution

The fourth proportional to 30,637.80, 45,892.11 and 14,011.83 is: 20,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.80 : 45,892.11 = 14,011.83 : x
  2. Step 2: Convert to fraction form
    30,637.80/45,892.11 = 14,011.83/x
  3. Step 3: Cross multiply
    30,637.80x = 45,892.11 × 14,011.83
  4. Step 4: Simplify right side
    30,637.80x = 643,032,214.20
  5. Step 5: Solve for x
    x = 643,032,214.20/30,637.80
  6. Step 6: Final answer
    x = 20,988.20

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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.