Home / 53,800.29-80,667.63-20,484.76

Finding the Fourth Proportional to 53,800.29, 80,667.63 and 20,484.76

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Solution

The fourth proportional to 53,800.29, 80,667.63 and 20,484.76 is: 30,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.29 : 80,667.63 = 20,484.76 : x
  2. Step 2: Convert to fraction form
    53,800.29/80,667.63 = 20,484.76/x
  3. Step 3: Cross multiply
    53,800.29x = 80,667.63 × 20,484.76
  4. Step 4: Simplify right side
    53,800.29x = 1,652,457,040.32
  5. Step 5: Solve for x
    x = 1,652,457,040.32/53,800.29
  6. Step 6: Final answer
    x = 30,714.65

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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.