Home / 31,619.48-47,452.61-14,979.55

Finding the Fourth Proportional to 31,619.48, 47,452.61 and 14,979.55

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Solution

The fourth proportional to 31,619.48, 47,452.61 and 14,979.55 is: 22,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.48 : 47,452.61 = 14,979.55 : x
  2. Step 2: Convert to fraction form
    31,619.48/47,452.61 = 14,979.55/x
  3. Step 3: Cross multiply
    31,619.48x = 47,452.61 × 14,979.55
  4. Step 4: Simplify right side
    31,619.48x = 710,818,431.96
  5. Step 5: Solve for x
    x = 710,818,431.96/31,619.48
  6. Step 6: Final answer
    x = 22,480.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.