Home / 56,545.10-84,688.47-26,983.70

Finding the Fourth Proportional to 56,545.10, 84,688.47 and 26,983.70

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Solution

The fourth proportional to 56,545.10, 84,688.47 and 26,983.70 is: 40,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.10 : 84,688.47 = 26,983.70 : x
  2. Step 2: Convert to fraction form
    56,545.10/84,688.47 = 26,983.70/x
  3. Step 3: Cross multiply
    56,545.10x = 84,688.47 × 26,983.70
  4. Step 4: Simplify right side
    56,545.10x = 2,285,208,267.94
  5. Step 5: Solve for x
    x = 2,285,208,267.94/56,545.10
  6. Step 6: Final answer
    x = 40,413.90

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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.