Home / 51,033.80-70,426.64-28,677.80

Finding the Fourth Proportional to 51,033.80, 70,426.64 and 28,677.80

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Solution

The fourth proportional to 51,033.80, 70,426.64 and 28,677.80 is: 39,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,033.80 : 70,426.64 = 28,677.80 : x
  2. Step 2: Convert to fraction form
    51,033.80/70,426.64 = 28,677.80/x
  3. Step 3: Cross multiply
    51,033.80x = 70,426.64 × 28,677.80
  4. Step 4: Simplify right side
    51,033.80x = 2,019,680,867.55
  5. Step 5: Solve for x
    x = 2,019,680,867.55/51,033.80
  6. Step 6: Final answer
    x = 39,575.36

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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.