Home / 54,384.30-75,051.63-30,512.74

Finding the Fourth Proportional to 54,384.30, 75,051.63 and 30,512.74

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Solution

The fourth proportional to 54,384.30, 75,051.63 and 30,512.74 is: 42,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.30 : 75,051.63 = 30,512.74 : x
  2. Step 2: Convert to fraction form
    54,384.30/75,051.63 = 30,512.74/x
  3. Step 3: Cross multiply
    54,384.30x = 75,051.63 × 30,512.74
  4. Step 4: Simplify right side
    54,384.30x = 2,290,030,872.77
  5. Step 5: Solve for x
    x = 2,290,030,872.77/54,384.30
  6. Step 6: Final answer
    x = 42,108.31

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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.