Home / 51,332.34-70,837.87-28,671.66

Finding the Fourth Proportional to 51,332.34, 70,837.87 and 28,671.66

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Solution

The fourth proportional to 51,332.34, 70,837.87 and 28,671.66 is: 39,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.34 : 70,837.87 = 28,671.66 : x
  2. Step 2: Convert to fraction form
    51,332.34/70,837.87 = 28,671.66/x
  3. Step 3: Cross multiply
    51,332.34x = 70,837.87 × 28,671.66
  4. Step 4: Simplify right side
    51,332.34x = 2,031,039,246.55
  5. Step 5: Solve for x
    x = 2,031,039,246.55/51,332.34
  6. Step 6: Final answer
    x = 39,566.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.