Home / 39,404.86-54,398.73-30,432.22

Finding the Fourth Proportional to 39,404.86, 54,398.73 and 30,432.22

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Solution

The fourth proportional to 39,404.86, 54,398.73 and 30,432.22 is: 42,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.86 : 54,398.73 = 30,432.22 : x
  2. Step 2: Convert to fraction form
    39,404.86/54,398.73 = 30,432.22/x
  3. Step 3: Cross multiply
    39,404.86x = 54,398.73 × 30,432.22
  4. Step 4: Simplify right side
    39,404.86x = 1,655,474,119.08
  5. Step 5: Solve for x
    x = 1,655,474,119.08/39,404.86
  6. Step 6: Final answer
    x = 42,011.93

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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.