Home / 45,275.09-62,476.74-28,278.32

Finding the Fourth Proportional to 45,275.09, 62,476.74 and 28,278.32

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Solution

The fourth proportional to 45,275.09, 62,476.74 and 28,278.32 is: 39,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.09 : 62,476.74 = 28,278.32 : x
  2. Step 2: Convert to fraction form
    45,275.09/62,476.74 = 28,278.32/x
  3. Step 3: Cross multiply
    45,275.09x = 62,476.74 × 28,278.32
  4. Step 4: Simplify right side
    45,275.09x = 1,766,736,933.89
  5. Step 5: Solve for x
    x = 1,766,736,933.89/45,275.09
  6. Step 6: Final answer
    x = 39,022.28

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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.