Home / 46,938.32-70,416.36-18,860.57

Finding the Fourth Proportional to 46,938.32, 70,416.36 and 18,860.57

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Solution

The fourth proportional to 46,938.32, 70,416.36 and 18,860.57 is: 28,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,938.32 : 70,416.36 = 18,860.57 : x
  2. Step 2: Convert to fraction form
    46,938.32/70,416.36 = 18,860.57/x
  3. Step 3: Cross multiply
    46,938.32x = 70,416.36 × 18,860.57
  4. Step 4: Simplify right side
    46,938.32x = 1,328,092,567.52
  5. Step 5: Solve for x
    x = 1,328,092,567.52/46,938.32
  6. Step 6: Final answer
    x = 28,294.42

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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.