Home / 40,913.70-56,387.50-30,284.88

Finding the Fourth Proportional to 40,913.70, 56,387.50 and 30,284.88

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Solution

The fourth proportional to 40,913.70, 56,387.50 and 30,284.88 is: 41,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.70 : 56,387.50 = 30,284.88 : x
  2. Step 2: Convert to fraction form
    40,913.70/56,387.50 = 30,284.88/x
  3. Step 3: Cross multiply
    40,913.70x = 56,387.50 × 30,284.88
  4. Step 4: Simplify right side
    40,913.70x = 1,707,688,671
  5. Step 5: Solve for x
    x = 1,707,688,671/40,913.70
  6. Step 6: Final answer
    x = 41,738.80

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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.