Home / 49,075.80-67,701.96-28,918.92

Finding the Fourth Proportional to 49,075.80, 67,701.96 and 28,918.92

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Solution

The fourth proportional to 49,075.80, 67,701.96 and 28,918.92 is: 39,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,075.80 : 67,701.96 = 28,918.92 : x
  2. Step 2: Convert to fraction form
    49,075.80/67,701.96 = 28,918.92/x
  3. Step 3: Cross multiply
    49,075.80x = 67,701.96 × 28,918.92
  4. Step 4: Simplify right side
    49,075.80x = 1,957,867,565.08
  5. Step 5: Solve for x
    x = 1,957,867,565.08/49,075.80
  6. Step 6: Final answer
    x = 39,894.77

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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.