Home / 56,316.96-77,718.24-31,167.36

Finding the Fourth Proportional to 56,316.96, 77,718.24 and 31,167.36

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Solution

The fourth proportional to 56,316.96, 77,718.24 and 31,167.36 is: 43,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,316.96 : 77,718.24 = 31,167.36 : x
  2. Step 2: Convert to fraction form
    56,316.96/77,718.24 = 31,167.36/x
  3. Step 3: Cross multiply
    56,316.96x = 77,718.24 × 31,167.36
  4. Step 4: Simplify right side
    56,316.96x = 2,422,272,364.65
  5. Step 5: Solve for x
    x = 2,422,272,364.65/56,316.96
  6. Step 6: Final answer
    x = 43,011.42

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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.