Home / 53,007.30-79,505.82-17,947.26

Finding the Fourth Proportional to 53,007.30, 79,505.82 and 17,947.26

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Solution

The fourth proportional to 53,007.30, 79,505.82 and 17,947.26 is: 26,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.30 : 79,505.82 = 17,947.26 : x
  2. Step 2: Convert to fraction form
    53,007.30/79,505.82 = 17,947.26/x
  3. Step 3: Cross multiply
    53,007.30x = 79,505.82 × 17,947.26
  4. Step 4: Simplify right side
    53,007.30x = 1,426,911,623.05
  5. Step 5: Solve for x
    x = 1,426,911,623.05/53,007.30
  6. Step 6: Final answer
    x = 26,919.15

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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.