Home / 56,818.84-78,410.55-31,326.21

Finding the Fourth Proportional to 56,818.84, 78,410.55 and 31,326.21

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Solution

The fourth proportional to 56,818.84, 78,410.55 and 31,326.21 is: 43,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.84 : 78,410.55 = 31,326.21 : x
  2. Step 2: Convert to fraction form
    56,818.84/78,410.55 = 31,326.21/x
  3. Step 3: Cross multiply
    56,818.84x = 78,410.55 × 31,326.21
  4. Step 4: Simplify right side
    56,818.84x = 2,456,305,503.48
  5. Step 5: Solve for x
    x = 2,456,305,503.48/56,818.84
  6. Step 6: Final answer
    x = 43,230.48

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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.