Home / 56,043.08-77,339.38-30,893

Finding the Fourth Proportional to 56,043.08, 77,339.38 and 30,893

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Solution

The fourth proportional to 56,043.08, 77,339.38 and 30,893 is: 42,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.08 : 77,339.38 = 30,893 : x
  2. Step 2: Convert to fraction form
    56,043.08/77,339.38 = 30,893/x
  3. Step 3: Cross multiply
    56,043.08x = 77,339.38 × 30,893
  4. Step 4: Simplify right side
    56,043.08x = 2,389,245,466.34
  5. Step 5: Solve for x
    x = 2,389,245,466.34/56,043.08
  6. Step 6: Final answer
    x = 42,632.30

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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.