Home / 45,298.95-67,953.90-12,019.62

Finding the Fourth Proportional to 45,298.95, 67,953.90 and 12,019.62

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Solution

The fourth proportional to 45,298.95, 67,953.90 and 12,019.62 is: 18,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.95 : 67,953.90 = 12,019.62 : x
  2. Step 2: Convert to fraction form
    45,298.95/67,953.90 = 12,019.62/x
  3. Step 3: Cross multiply
    45,298.95x = 67,953.90 × 12,019.62
  4. Step 4: Simplify right side
    45,298.95x = 816,780,355.42
  5. Step 5: Solve for x
    x = 816,780,355.42/45,298.95
  6. Step 6: Final answer
    x = 18,030.89

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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.