Home / 40,730.36-56,210.22-22,831.20

Finding the Fourth Proportional to 40,730.36, 56,210.22 and 22,831.20

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Solution

The fourth proportional to 40,730.36, 56,210.22 and 22,831.20 is: 31,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.36 : 56,210.22 = 22,831.20 : x
  2. Step 2: Convert to fraction form
    40,730.36/56,210.22 = 22,831.20/x
  3. Step 3: Cross multiply
    40,730.36x = 56,210.22 × 22,831.20
  4. Step 4: Simplify right side
    40,730.36x = 1,283,346,774.86
  5. Step 5: Solve for x
    x = 1,283,346,774.86/40,730.36
  6. Step 6: Final answer
    x = 31,508.36

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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.