Home / 43,700.64-65,551.08-28,906.80

Finding the Fourth Proportional to 43,700.64, 65,551.08 and 28,906.80

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Solution

The fourth proportional to 43,700.64, 65,551.08 and 28,906.80 is: 43,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.64 : 65,551.08 = 28,906.80 : x
  2. Step 2: Convert to fraction form
    43,700.64/65,551.08 = 28,906.80/x
  3. Step 3: Cross multiply
    43,700.64x = 65,551.08 × 28,906.80
  4. Step 4: Simplify right side
    43,700.64x = 1,894,871,959.34
  5. Step 5: Solve for x
    x = 1,894,871,959.34/43,700.64
  6. Step 6: Final answer
    x = 43,360.28

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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.