Home / 51,347.44-70,856.94-28,681.93

Finding the Fourth Proportional to 51,347.44, 70,856.94 and 28,681.93

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Solution

The fourth proportional to 51,347.44, 70,856.94 and 28,681.93 is: 39,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.44 : 70,856.94 = 28,681.93 : x
  2. Step 2: Convert to fraction form
    51,347.44/70,856.94 = 28,681.93/x
  3. Step 3: Cross multiply
    51,347.44x = 70,856.94 × 28,681.93
  4. Step 4: Simplify right side
    51,347.44x = 2,032,313,793.09
  5. Step 5: Solve for x
    x = 2,032,313,793.09/51,347.44
  6. Step 6: Final answer
    x = 39,579.65

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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.