Home / 47,859.52-66,048.48-28,998.40

Finding the Fourth Proportional to 47,859.52, 66,048.48 and 28,998.40

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Solution

The fourth proportional to 47,859.52, 66,048.48 and 28,998.40 is: 40,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,859.52 : 66,048.48 = 28,998.40 : x
  2. Step 2: Convert to fraction form
    47,859.52/66,048.48 = 28,998.40/x
  3. Step 3: Cross multiply
    47,859.52x = 66,048.48 × 28,998.40
  4. Step 4: Simplify right side
    47,859.52x = 1,915,300,242.43
  5. Step 5: Solve for x
    x = 1,915,300,242.43/47,859.52
  6. Step 6: Final answer
    x = 40,019.21

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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.