Home / 42,688.28-64,035.54-16,393.03

Finding the Fourth Proportional to 42,688.28, 64,035.54 and 16,393.03

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Solution

The fourth proportional to 42,688.28, 64,035.54 and 16,393.03 is: 24,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688.28 : 64,035.54 = 16,393.03 : x
  2. Step 2: Convert to fraction form
    42,688.28/64,035.54 = 16,393.03/x
  3. Step 3: Cross multiply
    42,688.28x = 64,035.54 × 16,393.03
  4. Step 4: Simplify right side
    42,688.28x = 1,049,736,368.20
  5. Step 5: Solve for x
    x = 1,049,736,368.20/42,688.28
  6. Step 6: Final answer
    x = 24,590.74

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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.