Home / 56,806.08-78,434.12-36,674.72

Finding the Fourth Proportional to 56,806.08, 78,434.12 and 36,674.72

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Solution

The fourth proportional to 56,806.08, 78,434.12 and 36,674.72 is: 50,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806.08 : 78,434.12 = 36,674.72 : x
  2. Step 2: Convert to fraction form
    56,806.08/78,434.12 = 36,674.72/x
  3. Step 3: Cross multiply
    56,806.08x = 78,434.12 × 36,674.72
  4. Step 4: Simplify right side
    56,806.08x = 2,876,549,389.45
  5. Step 5: Solve for x
    x = 2,876,549,389.45/56,806.08
  6. Step 6: Final answer
    x = 50,638.05

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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.