Home / 56,280.42-84,425.02-18,840.60

Finding the Fourth Proportional to 56,280.42, 84,425.02 and 18,840.60

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Solution

The fourth proportional to 56,280.42, 84,425.02 and 18,840.60 is: 28,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,280.42 : 84,425.02 = 18,840.60 : x
  2. Step 2: Convert to fraction form
    56,280.42/84,425.02 = 18,840.60/x
  3. Step 3: Cross multiply
    56,280.42x = 84,425.02 × 18,840.60
  4. Step 4: Simplify right side
    56,280.42x = 1,590,618,031.81
  5. Step 5: Solve for x
    x = 1,590,618,031.81/56,280.42
  6. Step 6: Final answer
    x = 28,262.37

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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.