Home / 56,955.09-85,440.81-17,515.53

Finding the Fourth Proportional to 56,955.09, 85,440.81 and 17,515.53

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Solution

The fourth proportional to 56,955.09, 85,440.81 and 17,515.53 is: 26,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955.09 : 85,440.81 = 17,515.53 : x
  2. Step 2: Convert to fraction form
    56,955.09/85,440.81 = 17,515.53/x
  3. Step 3: Cross multiply
    56,955.09x = 85,440.81 × 17,515.53
  4. Step 4: Simplify right side
    56,955.09x = 1,496,541,070.78
  5. Step 5: Solve for x
    x = 1,496,541,070.78/56,955.09
  6. Step 6: Final answer
    x = 26,275.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.