Home / 42,905.64-64,374.66-17,962.50

Finding the Fourth Proportional to 42,905.64, 64,374.66 and 17,962.50

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Solution

The fourth proportional to 42,905.64, 64,374.66 and 17,962.50 is: 26,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,905.64 : 64,374.66 = 17,962.50 : x
  2. Step 2: Convert to fraction form
    42,905.64/64,374.66 = 17,962.50/x
  3. Step 3: Cross multiply
    42,905.64x = 64,374.66 × 17,962.50
  4. Step 4: Simplify right side
    42,905.64x = 1,156,329,830.25
  5. Step 5: Solve for x
    x = 1,156,329,830.25/42,905.64
  6. Step 6: Final answer
    x = 26,950.53

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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.