Home / 51,416.29-70,955.45-31,274.02

Finding the Fourth Proportional to 51,416.29, 70,955.45 and 31,274.02

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Solution

The fourth proportional to 51,416.29, 70,955.45 and 31,274.02 is: 43,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.29 : 70,955.45 = 31,274.02 : x
  2. Step 2: Convert to fraction form
    51,416.29/70,955.45 = 31,274.02/x
  3. Step 3: Cross multiply
    51,416.29x = 70,955.45 × 31,274.02
  4. Step 4: Simplify right side
    51,416.29x = 2,219,062,162.41
  5. Step 5: Solve for x
    x = 2,219,062,162.41/51,416.29
  6. Step 6: Final answer
    x = 43,158.74

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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.