Home / 56,714.04-78,254.10-31,558.68

Finding the Fourth Proportional to 56,714.04, 78,254.10 and 31,558.68

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Solution

The fourth proportional to 56,714.04, 78,254.10 and 31,558.68 is: 43,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,714.04 : 78,254.10 = 31,558.68 : x
  2. Step 2: Convert to fraction form
    56,714.04/78,254.10 = 31,558.68/x
  3. Step 3: Cross multiply
    56,714.04x = 78,254.10 × 31,558.68
  4. Step 4: Simplify right side
    56,714.04x = 2,469,596,100.59
  5. Step 5: Solve for x
    x = 2,469,596,100.59/56,714.04
  6. Step 6: Final answer
    x = 43,544.70

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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.