Home / 55,557.08-76,671.63-31,031.22

Finding the Fourth Proportional to 55,557.08, 76,671.63 and 31,031.22

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Solution

The fourth proportional to 55,557.08, 76,671.63 and 31,031.22 is: 42,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.08 : 76,671.63 = 31,031.22 : x
  2. Step 2: Convert to fraction form
    55,557.08/76,671.63 = 31,031.22/x
  3. Step 3: Cross multiply
    55,557.08x = 76,671.63 × 31,031.22
  4. Step 4: Simplify right side
    55,557.08x = 2,379,214,218.29
  5. Step 5: Solve for x
    x = 2,379,214,218.29/55,557.08
  6. Step 6: Final answer
    x = 42,824.68

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1.5x scale

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.