Home / 53,667.16-80,498.16-20,384.63

Finding the Fourth Proportional to 53,667.16, 80,498.16 and 20,384.63

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Solution

The fourth proportional to 53,667.16, 80,498.16 and 20,384.63 is: 30,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.16 : 80,498.16 = 20,384.63 : x
  2. Step 2: Convert to fraction form
    53,667.16/80,498.16 = 20,384.63/x
  3. Step 3: Cross multiply
    53,667.16x = 80,498.16 × 20,384.63
  4. Step 4: Simplify right side
    53,667.16x = 1,640,925,207.28
  5. Step 5: Solve for x
    x = 1,640,925,207.28/53,667.16
  6. Step 6: Final answer
    x = 30,575.97

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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.