Home / 42,223.95-63,297.05-20,047.77

Finding the Fourth Proportional to 42,223.95, 63,297.05 and 20,047.77

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Solution

The fourth proportional to 42,223.95, 63,297.05 and 20,047.77 is: 30,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.95 : 63,297.05 = 20,047.77 : x
  2. Step 2: Convert to fraction form
    42,223.95/63,297.05 = 20,047.77/x
  3. Step 3: Cross multiply
    42,223.95x = 63,297.05 × 20,047.77
  4. Step 4: Simplify right side
    42,223.95x = 1,268,964,599.84
  5. Step 5: Solve for x
    x = 1,268,964,599.84/42,223.95
  6. Step 6: Final answer
    x = 30,053.19

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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.