Home / 43,272.48-64,901.28-12,100.32

Finding the Fourth Proportional to 43,272.48, 64,901.28 and 12,100.32

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Solution

The fourth proportional to 43,272.48, 64,901.28 and 12,100.32 is: 18,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.48 : 64,901.28 = 12,100.32 : x
  2. Step 2: Convert to fraction form
    43,272.48/64,901.28 = 12,100.32/x
  3. Step 3: Cross multiply
    43,272.48x = 64,901.28 × 12,100.32
  4. Step 4: Simplify right side
    43,272.48x = 785,326,256.41
  5. Step 5: Solve for x
    x = 785,326,256.41/43,272.48
  6. Step 6: Final answer
    x = 18,148.40

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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.