Home / 56,514.88-78,004.68-32,655.40

Finding the Fourth Proportional to 56,514.88, 78,004.68 and 32,655.40

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Solution

The fourth proportional to 56,514.88, 78,004.68 and 32,655.40 is: 45,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514.88 : 78,004.68 = 32,655.40 : x
  2. Step 2: Convert to fraction form
    56,514.88/78,004.68 = 32,655.40/x
  3. Step 3: Cross multiply
    56,514.88x = 78,004.68 × 32,655.40
  4. Step 4: Simplify right side
    56,514.88x = 2,547,274,027.27
  5. Step 5: Solve for x
    x = 2,547,274,027.27/56,514.88
  6. Step 6: Final answer
    x = 45,072.63

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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.