Home / 56,823.58-78,412.91-31,328.55

Finding the Fourth Proportional to 56,823.58, 78,412.91 and 31,328.55

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Solution

The fourth proportional to 56,823.58, 78,412.91 and 31,328.55 is: 43,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.58 : 78,412.91 = 31,328.55 : x
  2. Step 2: Convert to fraction form
    56,823.58/78,412.91 = 31,328.55/x
  3. Step 3: Cross multiply
    56,823.58x = 78,412.91 × 31,328.55
  4. Step 4: Simplify right side
    56,823.58x = 2,456,562,570.62
  5. Step 5: Solve for x
    x = 2,456,562,570.62/56,823.58
  6. Step 6: Final answer
    x = 43,231.40

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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.