Home / 52,829.10-72,912.75-30,168.30

Finding the Fourth Proportional to 52,829.10, 72,912.75 and 30,168.30

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Solution

The fourth proportional to 52,829.10, 72,912.75 and 30,168.30 is: 41,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.10 : 72,912.75 = 30,168.30 : x
  2. Step 2: Convert to fraction form
    52,829.10/72,912.75 = 30,168.30/x
  3. Step 3: Cross multiply
    52,829.10x = 72,912.75 × 30,168.30
  4. Step 4: Simplify right side
    52,829.10x = 2,199,653,715.83
  5. Step 5: Solve for x
    x = 2,199,653,715.83/52,829.10
  6. Step 6: Final answer
    x = 41,637.16

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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.