Home / 40,873.41-56,397.87-30,798.63

Finding the Fourth Proportional to 40,873.41, 56,397.87 and 30,798.63

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Solution

The fourth proportional to 40,873.41, 56,397.87 and 30,798.63 is: 42,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,873.41 : 56,397.87 = 30,798.63 : x
  2. Step 2: Convert to fraction form
    40,873.41/56,397.87 = 30,798.63/x
  3. Step 3: Cross multiply
    40,873.41x = 56,397.87 × 30,798.63
  4. Step 4: Simplify right side
    40,873.41x = 1,736,977,130.92
  5. Step 5: Solve for x
    x = 1,736,977,130.92/40,873.41
  6. Step 6: Final answer
    x = 42,496.51

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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.