Home / 55,341.54-83,045.25-20,283.66

Finding the Fourth Proportional to 55,341.54, 83,045.25 and 20,283.66

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Solution

The fourth proportional to 55,341.54, 83,045.25 and 20,283.66 is: 30,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.54 : 83,045.25 = 20,283.66 : x
  2. Step 2: Convert to fraction form
    55,341.54/83,045.25 = 20,283.66/x
  3. Step 3: Cross multiply
    55,341.54x = 83,045.25 × 20,283.66
  4. Step 4: Simplify right side
    55,341.54x = 1,684,461,615.62
  5. Step 5: Solve for x
    x = 1,684,461,615.62/55,341.54
  6. Step 6: Final answer
    x = 30,437.56

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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.