Home / 55,950.77-83,938.80-18,510.76

Finding the Fourth Proportional to 55,950.77, 83,938.80 and 18,510.76

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Solution

The fourth proportional to 55,950.77, 83,938.80 and 18,510.76 is: 27,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.77 : 83,938.80 = 18,510.76 : x
  2. Step 2: Convert to fraction form
    55,950.77/83,938.80 = 18,510.76/x
  3. Step 3: Cross multiply
    55,950.77x = 83,938.80 × 18,510.76
  4. Step 4: Simplify right side
    55,950.77x = 1,553,770,981.49
  5. Step 5: Solve for x
    x = 1,553,770,981.49/55,950.77
  6. Step 6: Final answer
    x = 27,770.32

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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.