Home / 51,116.98-70,539.77-28,455.23

Finding the Fourth Proportional to 51,116.98, 70,539.77 and 28,455.23

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Solution

The fourth proportional to 51,116.98, 70,539.77 and 28,455.23 is: 39,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,116.98 : 70,539.77 = 28,455.23 : x
  2. Step 2: Convert to fraction form
    51,116.98/70,539.77 = 28,455.23/x
  3. Step 3: Cross multiply
    51,116.98x = 70,539.77 × 28,455.23
  4. Step 4: Simplify right side
    51,116.98x = 2,007,225,097.94
  5. Step 5: Solve for x
    x = 2,007,225,097.94/51,116.98
  6. Step 6: Final answer
    x = 39,267.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.