Home / 56,545.80-84,818.70-28,840.20

Finding the Fourth Proportional to 56,545.80, 84,818.70 and 28,840.20

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Solution

The fourth proportional to 56,545.80, 84,818.70 and 28,840.20 is: 43,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.80 : 84,818.70 = 28,840.20 : x
  2. Step 2: Convert to fraction form
    56,545.80/84,818.70 = 28,840.20/x
  3. Step 3: Cross multiply
    56,545.80x = 84,818.70 × 28,840.20
  4. Step 4: Simplify right side
    56,545.80x = 2,446,188,271.74
  5. Step 5: Solve for x
    x = 2,446,188,271.74/56,545.80
  6. Step 6: Final answer
    x = 43,260.30

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1.5x scale

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.