Home / 46,976.90-64,831.12-31,033.40

Finding the Fourth Proportional to 46,976.90, 64,831.12 and 31,033.40

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Solution

The fourth proportional to 46,976.90, 64,831.12 and 31,033.40 is: 42,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,976.90 : 64,831.12 = 31,033.40 : x
  2. Step 2: Convert to fraction form
    46,976.90/64,831.12 = 31,033.40/x
  3. Step 3: Cross multiply
    46,976.90x = 64,831.12 × 31,033.40
  4. Step 4: Simplify right side
    46,976.90x = 2,011,929,677.67
  5. Step 5: Solve for x
    x = 2,011,929,677.67/46,976.90
  6. Step 6: Final answer
    x = 42,828.07

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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.