Home / 39,300.76-54,237.87-22,307.89

Finding the Fourth Proportional to 39,300.76, 54,237.87 and 22,307.89

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Solution

The fourth proportional to 39,300.76, 54,237.87 and 22,307.89 is: 30,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,300.76 : 54,237.87 = 22,307.89 : x
  2. Step 2: Convert to fraction form
    39,300.76/54,237.87 = 22,307.89/x
  3. Step 3: Cross multiply
    39,300.76x = 54,237.87 × 22,307.89
  4. Step 4: Simplify right side
    39,300.76x = 1,209,932,437.79
  5. Step 5: Solve for x
    x = 1,209,932,437.79/39,300.76
  6. Step 6: Final answer
    x = 30,786.49

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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.