Home / 51,641.25-77,483.74-28,240.35

Finding the Fourth Proportional to 51,641.25, 77,483.74 and 28,240.35

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Solution

The fourth proportional to 51,641.25, 77,483.74 and 28,240.35 is: 42,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.25 : 77,483.74 = 28,240.35 : x
  2. Step 2: Convert to fraction form
    51,641.25/77,483.74 = 28,240.35/x
  3. Step 3: Cross multiply
    51,641.25x = 77,483.74 × 28,240.35
  4. Step 4: Simplify right side
    51,641.25x = 2,188,167,628.69
  5. Step 5: Solve for x
    x = 2,188,167,628.69/51,641.25
  6. Step 6: Final answer
    x = 42,372.48

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1.5x scale

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.