Home / 40,985.58-56,555.91-30,236.30

Finding the Fourth Proportional to 40,985.58, 56,555.91 and 30,236.30

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Solution

The fourth proportional to 40,985.58, 56,555.91 and 30,236.30 is: 41,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.58 : 56,555.91 = 30,236.30 : x
  2. Step 2: Convert to fraction form
    40,985.58/56,555.91 = 30,236.30/x
  3. Step 3: Cross multiply
    40,985.58x = 56,555.91 × 30,236.30
  4. Step 4: Simplify right side
    40,985.58x = 1,710,041,178.75
  5. Step 5: Solve for x
    x = 1,710,041,178.75/40,985.58
  6. Step 6: Final answer
    x = 41,723.00

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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.