Home / 40,391.84-55,749.93-26,220.08

Finding the Fourth Proportional to 40,391.84, 55,749.93 and 26,220.08

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Solution

The fourth proportional to 40,391.84, 55,749.93 and 26,220.08 is: 36,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.84 : 55,749.93 = 26,220.08 : x
  2. Step 2: Convert to fraction form
    40,391.84/55,749.93 = 26,220.08/x
  3. Step 3: Cross multiply
    40,391.84x = 55,749.93 × 26,220.08
  4. Step 4: Simplify right side
    40,391.84x = 1,461,767,624.59
  5. Step 5: Solve for x
    x = 1,461,767,624.59/40,391.84
  6. Step 6: Final answer
    x = 36,189.68

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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.