Home / 53,461.76-80,200.73-38,781.45

Finding the Fourth Proportional to 53,461.76, 80,200.73 and 38,781.45

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Solution

The fourth proportional to 53,461.76, 80,200.73 and 38,781.45 is: 58,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,461.76 : 80,200.73 = 38,781.45 : x
  2. Step 2: Convert to fraction form
    53,461.76/80,200.73 = 38,781.45/x
  3. Step 3: Cross multiply
    53,461.76x = 80,200.73 × 38,781.45
  4. Step 4: Simplify right side
    53,461.76x = 3,110,300,697.41
  5. Step 5: Solve for x
    x = 3,110,300,697.41/53,461.76
  6. Step 6: Final answer
    x = 58,178.05

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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.