Home / 56,058.88-77,360.94-30,908.40

Finding the Fourth Proportional to 56,058.88, 77,360.94 and 30,908.40

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Solution

The fourth proportional to 56,058.88, 77,360.94 and 30,908.40 is: 42,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,058.88 : 77,360.94 = 30,908.40 : x
  2. Step 2: Convert to fraction form
    56,058.88/77,360.94 = 30,908.40/x
  3. Step 3: Cross multiply
    56,058.88x = 77,360.94 × 30,908.40
  4. Step 4: Simplify right side
    56,058.88x = 2,391,102,877.90
  5. Step 5: Solve for x
    x = 2,391,102,877.90/56,058.88
  6. Step 6: Final answer
    x = 42,653.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.