Home / 46,948.67-70,421.17-18,860.30

Finding the Fourth Proportional to 46,948.67, 70,421.17 and 18,860.30

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Solution

The fourth proportional to 46,948.67, 70,421.17 and 18,860.30 is: 28,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,948.67 : 70,421.17 = 18,860.30 : x
  2. Step 2: Convert to fraction form
    46,948.67/70,421.17 = 18,860.30/x
  3. Step 3: Cross multiply
    46,948.67x = 70,421.17 × 18,860.30
  4. Step 4: Simplify right side
    46,948.67x = 1,328,164,392.55
  5. Step 5: Solve for x
    x = 1,328,164,392.55/46,948.67
  6. Step 6: Final answer
    x = 28,289.71

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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.