Home / 52,816.12-72,888.24-30,158.80

Finding the Fourth Proportional to 52,816.12, 72,888.24 and 30,158.80

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Solution

The fourth proportional to 52,816.12, 72,888.24 and 30,158.80 is: 41,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.12 : 72,888.24 = 30,158.80 : x
  2. Step 2: Convert to fraction form
    52,816.12/72,888.24 = 30,158.80/x
  3. Step 3: Cross multiply
    52,816.12x = 72,888.24 × 30,158.80
  4. Step 4: Simplify right side
    52,816.12x = 2,198,221,852.51
  5. Step 5: Solve for x
    x = 2,198,221,852.51/52,816.12
  6. Step 6: Final answer
    x = 41,620.28

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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.