Home / 64,888.98-97,350.77-20,516.56

Finding the Fourth Proportional to 64,888.98, 97,350.77 and 20,516.56

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Solution

The fourth proportional to 64,888.98, 97,350.77 and 20,516.56 is: 30,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.98 : 97,350.77 = 20,516.56 : x
  2. Step 2: Convert to fraction form
    64,888.98/97,350.77 = 20,516.56/x
  3. Step 3: Cross multiply
    64,888.98x = 97,350.77 × 20,516.56
  4. Step 4: Simplify right side
    64,888.98x = 1,997,302,913.75
  5. Step 5: Solve for x
    x = 1,997,302,913.75/64,888.98
  6. Step 6: Final answer
    x = 30,780.31

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1.5x scale

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.