Home / 51,427.68-70,970.32-28,767.04

Finding the Fourth Proportional to 51,427.68, 70,970.32 and 28,767.04

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Solution

The fourth proportional to 51,427.68, 70,970.32 and 28,767.04 is: 39,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.68 : 70,970.32 = 28,767.04 : x
  2. Step 2: Convert to fraction form
    51,427.68/70,970.32 = 28,767.04/x
  3. Step 3: Cross multiply
    51,427.68x = 70,970.32 × 28,767.04
  4. Step 4: Simplify right side
    51,427.68x = 2,041,606,034.25
  5. Step 5: Solve for x
    x = 2,041,606,034.25/51,427.68
  6. Step 6: Final answer
    x = 39,698.58

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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.