Home / 30,294.90-45,345.06-16,219.62

Finding the Fourth Proportional to 30,294.90, 45,345.06 and 16,219.62

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Solution

The fourth proportional to 30,294.90, 45,345.06 and 16,219.62 is: 24,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294.90 : 45,345.06 = 16,219.62 : x
  2. Step 2: Convert to fraction form
    30,294.90/45,345.06 = 16,219.62/x
  3. Step 3: Cross multiply
    30,294.90x = 45,345.06 × 16,219.62
  4. Step 4: Simplify right side
    30,294.90x = 735,479,642.08
  5. Step 5: Solve for x
    x = 735,479,642.08/30,294.90
  6. Step 6: Final answer
    x = 24,277.34

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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.