Home / 48,290.69-72,421.99-18,701.93

Finding the Fourth Proportional to 48,290.69, 72,421.99 and 18,701.93

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Solution

The fourth proportional to 48,290.69, 72,421.99 and 18,701.93 is: 28,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,290.69 : 72,421.99 = 18,701.93 : x
  2. Step 2: Convert to fraction form
    48,290.69/72,421.99 = 18,701.93/x
  3. Step 3: Cross multiply
    48,290.69x = 72,421.99 × 18,701.93
  4. Step 4: Simplify right side
    48,290.69x = 1,354,430,578.58
  5. Step 5: Solve for x
    x = 1,354,430,578.58/48,290.69
  6. Step 6: Final answer
    x = 28,047.45

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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.