Home / 55,973.75-83,929.03-20,899.13

Finding the Fourth Proportional to 55,973.75, 83,929.03 and 20,899.13

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Solution

The fourth proportional to 55,973.75, 83,929.03 and 20,899.13 is: 31,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.75 : 83,929.03 = 20,899.13 : x
  2. Step 2: Convert to fraction form
    55,973.75/83,929.03 = 20,899.13/x
  3. Step 3: Cross multiply
    55,973.75x = 83,929.03 × 20,899.13
  4. Step 4: Simplify right side
    55,973.75x = 1,754,043,184.60
  5. Step 5: Solve for x
    x = 1,754,043,184.60/55,973.75
  6. Step 6: Final answer
    x = 31,336.89

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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.