Home / 46,880.28-70,347.78-18,813.78

Finding the Fourth Proportional to 46,880.28, 70,347.78 and 18,813.78

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Solution

The fourth proportional to 46,880.28, 70,347.78 and 18,813.78 is: 28,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,880.28 : 70,347.78 = 18,813.78 : x
  2. Step 2: Convert to fraction form
    46,880.28/70,347.78 = 18,813.78/x
  3. Step 3: Cross multiply
    46,880.28x = 70,347.78 × 18,813.78
  4. Step 4: Simplify right side
    46,880.28x = 1,323,507,656.41
  5. Step 5: Solve for x
    x = 1,323,507,656.41/46,880.28
  6. Step 6: Final answer
    x = 28,231.65

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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.