Home / 46,785.43-64,632.20-40,486.87

Finding the Fourth Proportional to 46,785.43, 64,632.20 and 40,486.87

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Solution

The fourth proportional to 46,785.43, 64,632.20 and 40,486.87 is: 55,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,785.43 : 64,632.20 = 40,486.87 : x
  2. Step 2: Convert to fraction form
    46,785.43/64,632.20 = 40,486.87/x
  3. Step 3: Cross multiply
    46,785.43x = 64,632.20 × 40,486.87
  4. Step 4: Simplify right side
    46,785.43x = 2,616,755,479.21
  5. Step 5: Solve for x
    x = 2,616,755,479.21/46,785.43
  6. Step 6: Final answer
    x = 55,930.99

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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.