Home / 51,411.33-70,947.21-28,750.35

Finding the Fourth Proportional to 51,411.33, 70,947.21 and 28,750.35

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Solution

The fourth proportional to 51,411.33, 70,947.21 and 28,750.35 is: 39,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,411.33 : 70,947.21 = 28,750.35 : x
  2. Step 2: Convert to fraction form
    51,411.33/70,947.21 = 28,750.35/x
  3. Step 3: Cross multiply
    51,411.33x = 70,947.21 × 28,750.35
  4. Step 4: Simplify right side
    51,411.33x = 2,039,757,119.02
  5. Step 5: Solve for x
    x = 2,039,757,119.02/51,411.33
  6. Step 6: Final answer
    x = 39,675.25

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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.