Home / 56,456.81-84,685.25-14,340.05

Finding the Fourth Proportional to 56,456.81, 84,685.25 and 14,340.05

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Solution

The fourth proportional to 56,456.81, 84,685.25 and 14,340.05 is: 21,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.81 : 84,685.25 = 14,340.05 : x
  2. Step 2: Convert to fraction form
    56,456.81/84,685.25 = 14,340.05/x
  3. Step 3: Cross multiply
    56,456.81x = 84,685.25 × 14,340.05
  4. Step 4: Simplify right side
    56,456.81x = 1,214,390,647.56
  5. Step 5: Solve for x
    x = 1,214,390,647.56/56,456.81
  6. Step 6: Final answer
    x = 21,510.08

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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.