Home / 46,363.76-63,971.28-31,284.40

Finding the Fourth Proportional to 46,363.76, 63,971.28 and 31,284.40

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Solution

The fourth proportional to 46,363.76, 63,971.28 and 31,284.40 is: 43,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,363.76 : 63,971.28 = 31,284.40 : x
  2. Step 2: Convert to fraction form
    46,363.76/63,971.28 = 31,284.40/x
  3. Step 3: Cross multiply
    46,363.76x = 63,971.28 × 31,284.40
  4. Step 4: Simplify right side
    46,363.76x = 2,001,303,112.03
  5. Step 5: Solve for x
    x = 2,001,303,112.03/46,363.76
  6. Step 6: Final answer
    x = 43,165.25

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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.