Home / 55,790.40-83,693.70-18,352.20

Finding the Fourth Proportional to 55,790.40, 83,693.70 and 18,352.20

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Solution

The fourth proportional to 55,790.40, 83,693.70 and 18,352.20 is: 27,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,790.40 : 83,693.70 = 18,352.20 : x
  2. Step 2: Convert to fraction form
    55,790.40/83,693.70 = 18,352.20/x
  3. Step 3: Cross multiply
    55,790.40x = 83,693.70 × 18,352.20
  4. Step 4: Simplify right side
    55,790.40x = 1,535,963,521.14
  5. Step 5: Solve for x
    x = 1,535,963,521.14/55,790.40
  6. Step 6: Final answer
    x = 27,530.96

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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.