Home / 77,031.27-115,467.63-37,539.52

Finding the Fourth Proportional to 77,031.27, 115,467.63 and 37,539.52

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Solution

The fourth proportional to 77,031.27, 115,467.63 and 37,539.52 is: 56,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.27 : 115,467.63 = 37,539.52 : x
  2. Step 2: Convert to fraction form
    77,031.27/115,467.63 = 37,539.52/x
  3. Step 3: Cross multiply
    77,031.27x = 115,467.63 × 37,539.52
  4. Step 4: Simplify right side
    77,031.27x = 4,334,599,405.74
  5. Step 5: Solve for x
    x = 4,334,599,405.74/77,031.27
  6. Step 6: Final answer
    x = 56,270.65

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1.5x scale

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.