Home / 39,432.69-54,417.69-21,527.64

Finding the Fourth Proportional to 39,432.69, 54,417.69 and 21,527.64

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Solution

The fourth proportional to 39,432.69, 54,417.69 and 21,527.64 is: 29,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.69 : 54,417.69 = 21,527.64 : x
  2. Step 2: Convert to fraction form
    39,432.69/54,417.69 = 21,527.64/x
  3. Step 3: Cross multiply
    39,432.69x = 54,417.69 × 21,527.64
  4. Step 4: Simplify right side
    39,432.69x = 1,171,484,439.95
  5. Step 5: Solve for x
    x = 1,171,484,439.95/39,432.69
  6. Step 6: Final answer
    x = 29,708.46

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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.