Home / 67,374.14-101,031.86-19,332.16

Finding the Fourth Proportional to 67,374.14, 101,031.86 and 19,332.16

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Solution

The fourth proportional to 67,374.14, 101,031.86 and 19,332.16 is: 28,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,374.14 : 101,031.86 = 19,332.16 : x
  2. Step 2: Convert to fraction form
    67,374.14/101,031.86 = 19,332.16/x
  3. Step 3: Cross multiply
    67,374.14x = 101,031.86 × 19,332.16
  4. Step 4: Simplify right side
    67,374.14x = 1,953,163,878.37
  5. Step 5: Solve for x
    x = 1,953,163,878.37/67,374.14
  6. Step 6: Final answer
    x = 28,989.82

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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.