Home / 40,857.07-56,385.17-30,767.71

Finding the Fourth Proportional to 40,857.07, 56,385.17 and 30,767.71

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Solution

The fourth proportional to 40,857.07, 56,385.17 and 30,767.71 is: 42,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,857.07 : 56,385.17 = 30,767.71 : x
  2. Step 2: Convert to fraction form
    40,857.07/56,385.17 = 30,767.71/x
  3. Step 3: Cross multiply
    40,857.07x = 56,385.17 × 30,767.71
  4. Step 4: Simplify right side
    40,857.07x = 1,734,842,558.86
  5. Step 5: Solve for x
    x = 1,734,842,558.86/40,857.07
  6. Step 6: Final answer
    x = 42,461.26

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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.