Home / 56,170.77-77,515.71-31,020.27

Finding the Fourth Proportional to 56,170.77, 77,515.71 and 31,020.27

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Solution

The fourth proportional to 56,170.77, 77,515.71 and 31,020.27 is: 42,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.77 : 77,515.71 = 31,020.27 : x
  2. Step 2: Convert to fraction form
    56,170.77/77,515.71 = 31,020.27/x
  3. Step 3: Cross multiply
    56,170.77x = 77,515.71 × 31,020.27
  4. Step 4: Simplify right side
    56,170.77x = 2,404,558,253.44
  5. Step 5: Solve for x
    x = 2,404,558,253.44/56,170.77
  6. Step 6: Final answer
    x = 42,808.00

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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.