Home / 55,430.56-83,124.28-17,981.58

Finding the Fourth Proportional to 55,430.56, 83,124.28 and 17,981.58

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Solution

The fourth proportional to 55,430.56, 83,124.28 and 17,981.58 is: 26,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.56 : 83,124.28 = 17,981.58 : x
  2. Step 2: Convert to fraction form
    55,430.56/83,124.28 = 17,981.58/x
  3. Step 3: Cross multiply
    55,430.56x = 83,124.28 × 17,981.58
  4. Step 4: Simplify right side
    55,430.56x = 1,494,705,890.76
  5. Step 5: Solve for x
    x = 1,494,705,890.76/55,430.56
  6. Step 6: Final answer
    x = 26,965.38

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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.