Home / 56,313.12-77,714.56-31,162.62

Finding the Fourth Proportional to 56,313.12, 77,714.56 and 31,162.62

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Solution

The fourth proportional to 56,313.12, 77,714.56 and 31,162.62 is: 43,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,313.12 : 77,714.56 = 31,162.62 : x
  2. Step 2: Convert to fraction form
    56,313.12/77,714.56 = 31,162.62/x
  3. Step 3: Cross multiply
    56,313.12x = 77,714.56 × 31,162.62
  4. Step 4: Simplify right side
    56,313.12x = 2,421,789,301.75
  5. Step 5: Solve for x
    x = 2,421,789,301.75/56,313.12
  6. Step 6: Final answer
    x = 43,005.77

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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.