Home / 40,579.15-56,037.54-38,370.28

Finding the Fourth Proportional to 40,579.15, 56,037.54 and 38,370.28

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Solution

The fourth proportional to 40,579.15, 56,037.54 and 38,370.28 is: 52,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.15 : 56,037.54 = 38,370.28 : x
  2. Step 2: Convert to fraction form
    40,579.15/56,037.54 = 38,370.28/x
  3. Step 3: Cross multiply
    40,579.15x = 56,037.54 × 38,370.28
  4. Step 4: Simplify right side
    40,579.15x = 2,150,176,100.31
  5. Step 5: Solve for x
    x = 2,150,176,100.31/40,579.15
  6. Step 6: Final answer
    x = 52,987.21

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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.