Home / 53,500.02-80,200.89-18,431.34

Finding the Fourth Proportional to 53,500.02, 80,200.89 and 18,431.34

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Solution

The fourth proportional to 53,500.02, 80,200.89 and 18,431.34 is: 27,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,500.02 : 80,200.89 = 18,431.34 : x
  2. Step 2: Convert to fraction form
    53,500.02/80,200.89 = 18,431.34/x
  3. Step 3: Cross multiply
    53,500.02x = 80,200.89 × 18,431.34
  4. Step 4: Simplify right side
    53,500.02x = 1,478,209,871.89
  5. Step 5: Solve for x
    x = 1,478,209,871.89/53,500.02
  6. Step 6: Final answer
    x = 27,630.08

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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.