Home / 42,817.11-64,225.67-11,652.36

Finding the Fourth Proportional to 42,817.11, 64,225.67 and 11,652.36

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Solution

The fourth proportional to 42,817.11, 64,225.67 and 11,652.36 is: 17,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,817.11 : 64,225.67 = 11,652.36 : x
  2. Step 2: Convert to fraction form
    42,817.11/64,225.67 = 11,652.36/x
  3. Step 3: Cross multiply
    42,817.11x = 64,225.67 × 11,652.36
  4. Step 4: Simplify right side
    42,817.11x = 748,380,569.82
  5. Step 5: Solve for x
    x = 748,380,569.82/42,817.11
  6. Step 6: Final answer
    x = 17,478.54

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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.