Home / 54,677.02-75,454.30-30,803.69

Finding the Fourth Proportional to 54,677.02, 75,454.30 and 30,803.69

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Solution

The fourth proportional to 54,677.02, 75,454.30 and 30,803.69 is: 42,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.02 : 75,454.30 = 30,803.69 : x
  2. Step 2: Convert to fraction form
    54,677.02/75,454.30 = 30,803.69/x
  3. Step 3: Cross multiply
    54,677.02x = 75,454.30 × 30,803.69
  4. Step 4: Simplify right side
    54,677.02x = 2,324,270,866.37
  5. Step 5: Solve for x
    x = 2,324,270,866.37/54,677.02
  6. Step 6: Final answer
    x = 42,509.10

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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.