Home / 52,886.19-72,989.42-30,219.99

Finding the Fourth Proportional to 52,886.19, 72,989.42 and 30,219.99

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Solution

The fourth proportional to 52,886.19, 72,989.42 and 30,219.99 is: 41,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.19 : 72,989.42 = 30,219.99 : x
  2. Step 2: Convert to fraction form
    52,886.19/72,989.42 = 30,219.99/x
  3. Step 3: Cross multiply
    52,886.19x = 72,989.42 × 30,219.99
  4. Step 4: Simplify right side
    52,886.19x = 2,205,739,117.70
  5. Step 5: Solve for x
    x = 2,205,739,117.70/52,886.19
  6. Step 6: Final answer
    x = 41,707.28

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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.