Home / 54,311.86-74,953.45-30,440.08

Finding the Fourth Proportional to 54,311.86, 74,953.45 and 30,440.08

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Solution

The fourth proportional to 54,311.86, 74,953.45 and 30,440.08 is: 42,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.86 : 74,953.45 = 30,440.08 : x
  2. Step 2: Convert to fraction form
    54,311.86/74,953.45 = 30,440.08/x
  3. Step 3: Cross multiply
    54,311.86x = 74,953.45 × 30,440.08
  4. Step 4: Simplify right side
    54,311.86x = 2,281,588,724.40
  5. Step 5: Solve for x
    x = 2,281,588,724.40/54,311.86
  6. Step 6: Final answer
    x = 42,009.03

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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.