Home / 45,223.59-67,835.54-18,909.89

Finding the Fourth Proportional to 45,223.59, 67,835.54 and 18,909.89

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Solution

The fourth proportional to 45,223.59, 67,835.54 and 18,909.89 is: 28,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,223.59 : 67,835.54 = 18,909.89 : x
  2. Step 2: Convert to fraction form
    45,223.59/67,835.54 = 18,909.89/x
  3. Step 3: Cross multiply
    45,223.59x = 67,835.54 × 18,909.89
  4. Step 4: Simplify right side
    45,223.59x = 1,282,762,599.49
  5. Step 5: Solve for x
    x = 1,282,762,599.49/45,223.59
  6. Step 6: Final answer
    x = 28,364.90

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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.