Home / 46,815.80-70,051.14-28,107.20

Finding the Fourth Proportional to 46,815.80, 70,051.14 and 28,107.20

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Solution

The fourth proportional to 46,815.80, 70,051.14 and 28,107.20 is: 42,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,815.80 : 70,051.14 = 28,107.20 : x
  2. Step 2: Convert to fraction form
    46,815.80/70,051.14 = 28,107.20/x
  3. Step 3: Cross multiply
    46,815.80x = 70,051.14 × 28,107.20
  4. Step 4: Simplify right side
    46,815.80x = 1,968,941,402.21
  5. Step 5: Solve for x
    x = 1,968,941,402.21/46,815.80
  6. Step 6: Final answer
    x = 42,057.20

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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.