Home / 53,615.86-80,341.77-28,659.45

Finding the Fourth Proportional to 53,615.86, 80,341.77 and 28,659.45

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Solution

The fourth proportional to 53,615.86, 80,341.77 and 28,659.45 is: 42,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.86 : 80,341.77 = 28,659.45 : x
  2. Step 2: Convert to fraction form
    53,615.86/80,341.77 = 28,659.45/x
  3. Step 3: Cross multiply
    53,615.86x = 80,341.77 × 28,659.45
  4. Step 4: Simplify right side
    53,615.86x = 2,302,551,348.98
  5. Step 5: Solve for x
    x = 2,302,551,348.98/53,615.86
  6. Step 6: Final answer
    x = 42,945.34

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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.