Home / 56,760.12-78,328.98-32,900.63

Finding the Fourth Proportional to 56,760.12, 78,328.98 and 32,900.63

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Solution

The fourth proportional to 56,760.12, 78,328.98 and 32,900.63 is: 45,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.12 : 78,328.98 = 32,900.63 : x
  2. Step 2: Convert to fraction form
    56,760.12/78,328.98 = 32,900.63/x
  3. Step 3: Cross multiply
    56,760.12x = 78,328.98 × 32,900.63
  4. Step 4: Simplify right side
    56,760.12x = 2,577,072,861.35
  5. Step 5: Solve for x
    x = 2,577,072,861.35/56,760.12
  6. Step 6: Final answer
    x = 45,402.88

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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.