Home / 40,423.64-55,784.63-23,437.79

Finding the Fourth Proportional to 40,423.64, 55,784.63 and 23,437.79

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Solution

The fourth proportional to 40,423.64, 55,784.63 and 23,437.79 is: 32,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.64 : 55,784.63 = 23,437.79 : x
  2. Step 2: Convert to fraction form
    40,423.64/55,784.63 = 23,437.79/x
  3. Step 3: Cross multiply
    40,423.64x = 55,784.63 × 23,437.79
  4. Step 4: Simplify right side
    40,423.64x = 1,307,468,164.24
  5. Step 5: Solve for x
    x = 1,307,468,164.24/40,423.64
  6. Step 6: Final answer
    x = 32,344.15

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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.