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Finding the Fourth Proportional to 43,510.32, 65,177.64 and 28,682.64

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Solution

The fourth proportional to 43,510.32, 65,177.64 and 28,682.64 is: 42,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,510.32 : 65,177.64 = 28,682.64 : x
  2. Step 2: Convert to fraction form
    43,510.32/65,177.64 = 28,682.64/x
  3. Step 3: Cross multiply
    43,510.32x = 65,177.64 × 28,682.64
  4. Step 4: Simplify right side
    43,510.32x = 1,869,466,784.17
  5. Step 5: Solve for x
    x = 1,869,466,784.17/43,510.32
  6. Step 6: Final answer
    x = 42,966.05

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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.