Home / 56,742.75-78,305.54-31,592.79

Finding the Fourth Proportional to 56,742.75, 78,305.54 and 31,592.79

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Solution

The fourth proportional to 56,742.75, 78,305.54 and 31,592.79 is: 43,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.75 : 78,305.54 = 31,592.79 : x
  2. Step 2: Convert to fraction form
    56,742.75/78,305.54 = 31,592.79/x
  3. Step 3: Cross multiply
    56,742.75x = 78,305.54 × 31,592.79
  4. Step 4: Simplify right side
    56,742.75x = 2,473,890,323.09
  5. Step 5: Solve for x
    x = 2,473,890,323.09/56,742.75
  6. Step 6: Final answer
    x = 43,598.35

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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.