Home / 50,809.20-76,104.45-42,061.20

Finding the Fourth Proportional to 50,809.20, 76,104.45 and 42,061.20

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Solution

The fourth proportional to 50,809.20, 76,104.45 and 42,061.20 is: 63,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.20 : 76,104.45 = 42,061.20 : x
  2. Step 2: Convert to fraction form
    50,809.20/76,104.45 = 42,061.20/x
  3. Step 3: Cross multiply
    50,809.20x = 76,104.45 × 42,061.20
  4. Step 4: Simplify right side
    50,809.20x = 3,201,044,492.34
  5. Step 5: Solve for x
    x = 3,201,044,492.34/50,809.20
  6. Step 6: Final answer
    x = 63,001.28

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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.