Home / 40,878.34-56,392.41-35,564.74

Finding the Fourth Proportional to 40,878.34, 56,392.41 and 35,564.74

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Solution

The fourth proportional to 40,878.34, 56,392.41 and 35,564.74 is: 49,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.34 : 56,392.41 = 35,564.74 : x
  2. Step 2: Convert to fraction form
    40,878.34/56,392.41 = 35,564.74/x
  3. Step 3: Cross multiply
    40,878.34x = 56,392.41 × 35,564.74
  4. Step 4: Simplify right side
    40,878.34x = 2,005,581,399.62
  5. Step 5: Solve for x
    x = 2,005,581,399.62/40,878.34
  6. Step 6: Final answer
    x = 49,062.20

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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.