Home / 43,079.72-64,651.18-28,283.45

Finding the Fourth Proportional to 43,079.72, 64,651.18 and 28,283.45

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Solution

The fourth proportional to 43,079.72, 64,651.18 and 28,283.45 is: 42,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.72 : 64,651.18 = 28,283.45 : x
  2. Step 2: Convert to fraction form
    43,079.72/64,651.18 = 28,283.45/x
  3. Step 3: Cross multiply
    43,079.72x = 64,651.18 × 28,283.45
  4. Step 4: Simplify right side
    43,079.72x = 1,828,558,184.63
  5. Step 5: Solve for x
    x = 1,828,558,184.63/43,079.72
  6. Step 6: Final answer
    x = 42,445.92

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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.