Home / 53,058.16-79,514.16-26,780.32

Finding the Fourth Proportional to 53,058.16, 79,514.16 and 26,780.32

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Solution

The fourth proportional to 53,058.16, 79,514.16 and 26,780.32 is: 40,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,058.16 : 79,514.16 = 26,780.32 : x
  2. Step 2: Convert to fraction form
    53,058.16/79,514.16 = 26,780.32/x
  3. Step 3: Cross multiply
    53,058.16x = 79,514.16 × 26,780.32
  4. Step 4: Simplify right side
    53,058.16x = 2,129,414,649.33
  5. Step 5: Solve for x
    x = 2,129,414,649.33/53,058.16
  6. Step 6: Final answer
    x = 40,133.59

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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.