Home / 43,308.40-64,913.36-18,332.84

Finding the Fourth Proportional to 43,308.40, 64,913.36 and 18,332.84

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Solution

The fourth proportional to 43,308.40, 64,913.36 and 18,332.84 is: 27,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308.40 : 64,913.36 = 18,332.84 : x
  2. Step 2: Convert to fraction form
    43,308.40/64,913.36 = 18,332.84/x
  3. Step 3: Cross multiply
    43,308.40x = 64,913.36 × 18,332.84
  4. Step 4: Simplify right side
    43,308.40x = 1,190,046,242.74
  5. Step 5: Solve for x
    x = 1,190,046,242.74/43,308.40
  6. Step 6: Final answer
    x = 27,478.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.