Home / 55,966.16-77,232.84-30,814.80

Finding the Fourth Proportional to 55,966.16, 77,232.84 and 30,814.80

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Solution

The fourth proportional to 55,966.16, 77,232.84 and 30,814.80 is: 42,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.16 : 77,232.84 = 30,814.80 : x
  2. Step 2: Convert to fraction form
    55,966.16/77,232.84 = 30,814.80/x
  3. Step 3: Cross multiply
    55,966.16x = 77,232.84 × 30,814.80
  4. Step 4: Simplify right side
    55,966.16x = 2,379,914,518.03
  5. Step 5: Solve for x
    x = 2,379,914,518.03/55,966.16
  6. Step 6: Final answer
    x = 42,524.17

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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.