Home / 40,906.47-56,417.13-28,847.10

Finding the Fourth Proportional to 40,906.47, 56,417.13 and 28,847.10

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Solution

The fourth proportional to 40,906.47, 56,417.13 and 28,847.10 is: 39,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.47 : 56,417.13 = 28,847.10 : x
  2. Step 2: Convert to fraction form
    40,906.47/56,417.13 = 28,847.10/x
  3. Step 3: Cross multiply
    40,906.47x = 56,417.13 × 28,847.10
  4. Step 4: Simplify right side
    40,906.47x = 1,627,470,590.82
  5. Step 5: Solve for x
    x = 1,627,470,590.82/40,906.47
  6. Step 6: Final answer
    x = 39,785.16

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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.