Home / 40,770.20-56,276.69-25,688.13

Finding the Fourth Proportional to 40,770.20, 56,276.69 and 25,688.13

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Solution

The fourth proportional to 40,770.20, 56,276.69 and 25,688.13 is: 35,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.20 : 56,276.69 = 25,688.13 : x
  2. Step 2: Convert to fraction form
    40,770.20/56,276.69 = 25,688.13/x
  3. Step 3: Cross multiply
    40,770.20x = 56,276.69 × 25,688.13
  4. Step 4: Simplify right side
    40,770.20x = 1,445,642,800.25
  5. Step 5: Solve for x
    x = 1,445,642,800.25/40,770.20
  6. Step 6: Final answer
    x = 35,458.32

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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.