Home / 53,333.92-79,974-17,782.64

Finding the Fourth Proportional to 53,333.92, 79,974 and 17,782.64

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Solution

The fourth proportional to 53,333.92, 79,974 and 17,782.64 is: 26,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.92 : 79,974 = 17,782.64 : x
  2. Step 2: Convert to fraction form
    53,333.92/79,974 = 17,782.64/x
  3. Step 3: Cross multiply
    53,333.92x = 79,974 × 17,782.64
  4. Step 4: Simplify right side
    53,333.92x = 1,422,148,851.36
  5. Step 5: Solve for x
    x = 1,422,148,851.36/53,333.92
  6. Step 6: Final answer
    x = 26,665.00

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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.