Home / 52,845.51-72,926.79-28,971.67

Finding the Fourth Proportional to 52,845.51, 72,926.79 and 28,971.67

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Solution

The fourth proportional to 52,845.51, 72,926.79 and 28,971.67 is: 39,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.51 : 72,926.79 = 28,971.67 : x
  2. Step 2: Convert to fraction form
    52,845.51/72,926.79 = 28,971.67/x
  3. Step 3: Cross multiply
    52,845.51x = 72,926.79 × 28,971.67
  4. Step 4: Simplify right side
    52,845.51x = 2,112,810,876.55
  5. Step 5: Solve for x
    x = 2,112,810,876.55/52,845.51
  6. Step 6: Final answer
    x = 39,980.90

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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.