Home / 56,315.63-77,715.56-31,166.75

Finding the Fourth Proportional to 56,315.63, 77,715.56 and 31,166.75

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Solution

The fourth proportional to 56,315.63, 77,715.56 and 31,166.75 is: 43,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,315.63 : 77,715.56 = 31,166.75 : x
  2. Step 2: Convert to fraction form
    56,315.63/77,715.56 = 31,166.75/x
  3. Step 3: Cross multiply
    56,315.63x = 77,715.56 × 31,166.75
  4. Step 4: Simplify right side
    56,315.63x = 2,422,141,118.97
  5. Step 5: Solve for x
    x = 2,422,141,118.97/56,315.63
  6. Step 6: Final answer
    x = 43,010.11

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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.