Home / 45,289.04-67,897.82-28,613.93

Finding the Fourth Proportional to 45,289.04, 67,897.82 and 28,613.93

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Solution

The fourth proportional to 45,289.04, 67,897.82 and 28,613.93 is: 42,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,289.04 : 67,897.82 = 28,613.93 : x
  2. Step 2: Convert to fraction form
    45,289.04/67,897.82 = 28,613.93/x
  3. Step 3: Cross multiply
    45,289.04x = 67,897.82 × 28,613.93
  4. Step 4: Simplify right side
    45,289.04x = 1,942,823,200.68
  5. Step 5: Solve for x
    x = 1,942,823,200.68/45,289.04
  6. Step 6: Final answer
    x = 42,898.31

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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.