Home / 38,307.87-57,461.76-20,888.37

Finding the Fourth Proportional to 38,307.87, 57,461.76 and 20,888.37

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Solution

The fourth proportional to 38,307.87, 57,461.76 and 20,888.37 is: 31,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.87 : 57,461.76 = 20,888.37 : x
  2. Step 2: Convert to fraction form
    38,307.87/57,461.76 = 20,888.37/x
  3. Step 3: Cross multiply
    38,307.87x = 57,461.76 × 20,888.37
  4. Step 4: Simplify right side
    38,307.87x = 1,200,282,503.73
  5. Step 5: Solve for x
    x = 1,200,282,503.73/38,307.87
  6. Step 6: Final answer
    x = 31,332.53

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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.