Home / 53,330.38-79,980.99-20,047.89

Finding the Fourth Proportional to 53,330.38, 79,980.99 and 20,047.89

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Solution

The fourth proportional to 53,330.38, 79,980.99 and 20,047.89 is: 30,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.38 : 79,980.99 = 20,047.89 : x
  2. Step 2: Convert to fraction form
    53,330.38/79,980.99 = 20,047.89/x
  3. Step 3: Cross multiply
    53,330.38x = 79,980.99 × 20,047.89
  4. Step 4: Simplify right side
    53,330.38x = 1,603,450,089.61
  5. Step 5: Solve for x
    x = 1,603,450,089.61/53,330.38
  6. Step 6: Final answer
    x = 30,066.35

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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.