Home / 56,219.20-84,328.80-47,762.80

Finding the Fourth Proportional to 56,219.20, 84,328.80 and 47,762.80

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Solution

The fourth proportional to 56,219.20, 84,328.80 and 47,762.80 is: 71,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.20 : 84,328.80 = 47,762.80 : x
  2. Step 2: Convert to fraction form
    56,219.20/84,328.80 = 47,762.80/x
  3. Step 3: Cross multiply
    56,219.20x = 84,328.80 × 47,762.80
  4. Step 4: Simplify right side
    56,219.20x = 4,027,779,608.64
  5. Step 5: Solve for x
    x = 4,027,779,608.64/56,219.20
  6. Step 6: Final answer
    x = 71,644.20

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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.