Home / 46,938.74-70,427.55-18,878.69

Finding the Fourth Proportional to 46,938.74, 70,427.55 and 18,878.69

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Solution

The fourth proportional to 46,938.74, 70,427.55 and 18,878.69 is: 28,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,938.74 : 70,427.55 = 18,878.69 : x
  2. Step 2: Convert to fraction form
    46,938.74/70,427.55 = 18,878.69/x
  3. Step 3: Cross multiply
    46,938.74x = 70,427.55 × 18,878.69
  4. Step 4: Simplify right side
    46,938.74x = 1,329,579,531.77
  5. Step 5: Solve for x
    x = 1,329,579,531.77/46,938.74
  6. Step 6: Final answer
    x = 28,325.85

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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.