Home / 55,309.95-76,333.59-33,812.28

Finding the Fourth Proportional to 55,309.95, 76,333.59 and 33,812.28

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Solution

The fourth proportional to 55,309.95, 76,333.59 and 33,812.28 is: 46,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309.95 : 76,333.59 = 33,812.28 : x
  2. Step 2: Convert to fraction form
    55,309.95/76,333.59 = 33,812.28/x
  3. Step 3: Cross multiply
    55,309.95x = 76,333.59 × 33,812.28
  4. Step 4: Simplify right side
    55,309.95x = 2,581,012,718.49
  5. Step 5: Solve for x
    x = 2,581,012,718.49/55,309.95
  6. Step 6: Final answer
    x = 46,664.53

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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.