Home / 48,512.04-72,796.14-20,430.12

Finding the Fourth Proportional to 48,512.04, 72,796.14 and 20,430.12

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Solution

The fourth proportional to 48,512.04, 72,796.14 and 20,430.12 is: 30,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512.04 : 72,796.14 = 20,430.12 : x
  2. Step 2: Convert to fraction form
    48,512.04/72,796.14 = 20,430.12/x
  3. Step 3: Cross multiply
    48,512.04x = 72,796.14 × 20,430.12
  4. Step 4: Simplify right side
    48,512.04x = 1,487,233,875.74
  5. Step 5: Solve for x
    x = 1,487,233,875.74/48,512.04
  6. Step 6: Final answer
    x = 30,657.01

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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.