Home / 52,495.74-78,654.51-31,675.50

Finding the Fourth Proportional to 52,495.74, 78,654.51 and 31,675.50

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Solution

The fourth proportional to 52,495.74, 78,654.51 and 31,675.50 is: 47,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,495.74 : 78,654.51 = 31,675.50 : x
  2. Step 2: Convert to fraction form
    52,495.74/78,654.51 = 31,675.50/x
  3. Step 3: Cross multiply
    52,495.74x = 78,654.51 × 31,675.50
  4. Step 4: Simplify right side
    52,495.74x = 2,491,420,931.51
  5. Step 5: Solve for x
    x = 2,491,420,931.51/52,495.74
  6. Step 6: Final answer
    x = 47,459.49

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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.