Home / 55,487.68-76,573.32-30,337.18

Finding the Fourth Proportional to 55,487.68, 76,573.32 and 30,337.18

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Solution

The fourth proportional to 55,487.68, 76,573.32 and 30,337.18 is: 41,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.68 : 76,573.32 = 30,337.18 : x
  2. Step 2: Convert to fraction form
    55,487.68/76,573.32 = 30,337.18/x
  3. Step 3: Cross multiply
    55,487.68x = 76,573.32 × 30,337.18
  4. Step 4: Simplify right side
    55,487.68x = 2,323,018,592.04
  5. Step 5: Solve for x
    x = 2,323,018,592.04/55,487.68
  6. Step 6: Final answer
    x = 41,865.48

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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.