Home / 55,959.66-77,225.40-30,809.16

Finding the Fourth Proportional to 55,959.66, 77,225.40 and 30,809.16

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Solution

The fourth proportional to 55,959.66, 77,225.40 and 30,809.16 is: 42,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959.66 : 77,225.40 = 30,809.16 : x
  2. Step 2: Convert to fraction form
    55,959.66/77,225.40 = 30,809.16/x
  3. Step 3: Cross multiply
    55,959.66x = 77,225.40 × 30,809.16
  4. Step 4: Simplify right side
    55,959.66x = 2,379,249,704.66
  5. Step 5: Solve for x
    x = 2,379,249,704.66/55,959.66
  6. Step 6: Final answer
    x = 42,517.23

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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.