Home / 42,686.08-64,029.12-16,376.46

Finding the Fourth Proportional to 42,686.08, 64,029.12 and 16,376.46

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Solution

The fourth proportional to 42,686.08, 64,029.12 and 16,376.46 is: 24,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.08 : 64,029.12 = 16,376.46 : x
  2. Step 2: Convert to fraction form
    42,686.08/64,029.12 = 16,376.46/x
  3. Step 3: Cross multiply
    42,686.08x = 64,029.12 × 16,376.46
  4. Step 4: Simplify right side
    42,686.08x = 1,048,570,322.52
  5. Step 5: Solve for x
    x = 1,048,570,322.52/42,686.08
  6. Step 6: Final answer
    x = 24,564.69

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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.