Home / 56,545.70-78,033.78-31,048.31

Finding the Fourth Proportional to 56,545.70, 78,033.78 and 31,048.31

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Solution

The fourth proportional to 56,545.70, 78,033.78 and 31,048.31 is: 42,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.70 : 78,033.78 = 31,048.31 : x
  2. Step 2: Convert to fraction form
    56,545.70/78,033.78 = 31,048.31/x
  3. Step 3: Cross multiply
    56,545.70x = 78,033.78 × 31,048.31
  4. Step 4: Simplify right side
    56,545.70x = 2,422,817,187.00
  5. Step 5: Solve for x
    x = 2,422,817,187.00/56,545.70
  6. Step 6: Final answer
    x = 42,847.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.