Home / 52,211.41-72,051.82-28,338.08

Finding the Fourth Proportional to 52,211.41, 72,051.82 and 28,338.08

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Solution

The fourth proportional to 52,211.41, 72,051.82 and 28,338.08 is: 39,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.41 : 72,051.82 = 28,338.08 : x
  2. Step 2: Convert to fraction form
    52,211.41/72,051.82 = 28,338.08/x
  3. Step 3: Cross multiply
    52,211.41x = 72,051.82 × 28,338.08
  4. Step 4: Simplify right side
    52,211.41x = 2,041,809,808.20
  5. Step 5: Solve for x
    x = 2,041,809,808.20/52,211.41
  6. Step 6: Final answer
    x = 39,106.58

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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.