Home / 56,528.63-77,987.30-33,868.57

Finding the Fourth Proportional to 56,528.63, 77,987.30 and 33,868.57

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Solution

The fourth proportional to 56,528.63, 77,987.30 and 33,868.57 is: 46,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,528.63 : 77,987.30 = 33,868.57 : x
  2. Step 2: Convert to fraction form
    56,528.63/77,987.30 = 33,868.57/x
  3. Step 3: Cross multiply
    56,528.63x = 77,987.30 × 33,868.57
  4. Step 4: Simplify right side
    56,528.63x = 2,641,318,329.16
  5. Step 5: Solve for x
    x = 2,641,318,329.16/56,528.63
  6. Step 6: Final answer
    x = 46,725.32

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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.