Home / 48,316.78-72,471.93-13,253.50

Finding the Fourth Proportional to 48,316.78, 72,471.93 and 13,253.50

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Solution

The fourth proportional to 48,316.78, 72,471.93 and 13,253.50 is: 19,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,316.78 : 72,471.93 = 13,253.50 : x
  2. Step 2: Convert to fraction form
    48,316.78/72,471.93 = 13,253.50/x
  3. Step 3: Cross multiply
    48,316.78x = 72,471.93 × 13,253.50
  4. Step 4: Simplify right side
    48,316.78x = 960,506,724.26
  5. Step 5: Solve for x
    x = 960,506,724.26/48,316.78
  6. Step 6: Final answer
    x = 19,879.36

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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.