Home / 35,649.20-53,430.60-15,906.80

Finding the Fourth Proportional to 35,649.20, 53,430.60 and 15,906.80

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Solution

The fourth proportional to 35,649.20, 53,430.60 and 15,906.80 is: 23,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649.20 : 53,430.60 = 15,906.80 : x
  2. Step 2: Convert to fraction form
    35,649.20/53,430.60 = 15,906.80/x
  3. Step 3: Cross multiply
    35,649.20x = 53,430.60 × 15,906.80
  4. Step 4: Simplify right side
    35,649.20x = 849,909,868.08
  5. Step 5: Solve for x
    x = 849,909,868.08/35,649.20
  6. Step 6: Final answer
    x = 23,840.92

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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.