Home / 66,433.28-99,638.40-24,871.68

Finding the Fourth Proportional to 66,433.28, 99,638.40 and 24,871.68

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Solution

The fourth proportional to 66,433.28, 99,638.40 and 24,871.68 is: 37,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.28 : 99,638.40 = 24,871.68 : x
  2. Step 2: Convert to fraction form
    66,433.28/99,638.40 = 24,871.68/x
  3. Step 3: Cross multiply
    66,433.28x = 99,638.40 × 24,871.68
  4. Step 4: Simplify right side
    66,433.28x = 2,478,174,400.51
  5. Step 5: Solve for x
    x = 2,478,174,400.51/66,433.28
  6. Step 6: Final answer
    x = 37,303.21

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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.