Home / 53,094.92-79,642.38-19,813.64

Finding the Fourth Proportional to 53,094.92, 79,642.38 and 19,813.64

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Solution

The fourth proportional to 53,094.92, 79,642.38 and 19,813.64 is: 29,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,094.92 : 79,642.38 = 19,813.64 : x
  2. Step 2: Convert to fraction form
    53,094.92/79,642.38 = 19,813.64/x
  3. Step 3: Cross multiply
    53,094.92x = 79,642.38 × 19,813.64
  4. Step 4: Simplify right side
    53,094.92x = 1,578,005,446.06
  5. Step 5: Solve for x
    x = 1,578,005,446.06/53,094.92
  6. Step 6: Final answer
    x = 29,720.46

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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.