Home / 55,430.82-83,124.65-17,981.84

Finding the Fourth Proportional to 55,430.82, 83,124.65 and 17,981.84

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Solution

The fourth proportional to 55,430.82, 83,124.65 and 17,981.84 is: 26,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.82 : 83,124.65 = 17,981.84 : x
  2. Step 2: Convert to fraction form
    55,430.82/83,124.65 = 17,981.84/x
  3. Step 3: Cross multiply
    55,430.82x = 83,124.65 × 17,981.84
  4. Step 4: Simplify right side
    55,430.82x = 1,494,734,156.36
  5. Step 5: Solve for x
    x = 1,494,734,156.36/55,430.82
  6. Step 6: Final answer
    x = 26,965.76

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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.