Home / 55,752.36-83,628.78-18,842.28

Finding the Fourth Proportional to 55,752.36, 83,628.78 and 18,842.28

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Solution

The fourth proportional to 55,752.36, 83,628.78 and 18,842.28 is: 28,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,752.36 : 83,628.78 = 18,842.28 : x
  2. Step 2: Convert to fraction form
    55,752.36/83,628.78 = 18,842.28/x
  3. Step 3: Cross multiply
    55,752.36x = 83,628.78 × 18,842.28
  4. Step 4: Simplify right side
    55,752.36x = 1,575,756,888.82
  5. Step 5: Solve for x
    x = 1,575,756,888.82/55,752.36
  6. Step 6: Final answer
    x = 28,263.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.