Home / 43,999.78-60,703.75-28,900.63

Finding the Fourth Proportional to 43,999.78, 60,703.75 and 28,900.63

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Solution

The fourth proportional to 43,999.78, 60,703.75 and 28,900.63 is: 39,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.78 : 60,703.75 = 28,900.63 : x
  2. Step 2: Convert to fraction form
    43,999.78/60,703.75 = 28,900.63/x
  3. Step 3: Cross multiply
    43,999.78x = 60,703.75 × 28,900.63
  4. Step 4: Simplify right side
    43,999.78x = 1,754,376,473.86
  5. Step 5: Solve for x
    x = 1,754,376,473.86/43,999.78
  6. Step 6: Final answer
    x = 39,872.40

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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.