Home / 53,345.59-79,996.51-20,047.80

Finding the Fourth Proportional to 53,345.59, 79,996.51 and 20,047.80

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Solution

The fourth proportional to 53,345.59, 79,996.51 and 20,047.80 is: 30,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.59 : 79,996.51 = 20,047.80 : x
  2. Step 2: Convert to fraction form
    53,345.59/79,996.51 = 20,047.80/x
  3. Step 3: Cross multiply
    53,345.59x = 79,996.51 × 20,047.80
  4. Step 4: Simplify right side
    53,345.59x = 1,603,754,358.22
  5. Step 5: Solve for x
    x = 1,603,754,358.22/53,345.59
  6. Step 6: Final answer
    x = 30,063.49

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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.