Home / 30,434.64-42,053.44-23,421.64

Finding the Fourth Proportional to 30,434.64, 42,053.44 and 23,421.64

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Solution

The fourth proportional to 30,434.64, 42,053.44 and 23,421.64 is: 32,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.64 : 42,053.44 = 23,421.64 : x
  2. Step 2: Convert to fraction form
    30,434.64/42,053.44 = 23,421.64/x
  3. Step 3: Cross multiply
    30,434.64x = 42,053.44 × 23,421.64
  4. Step 4: Simplify right side
    30,434.64x = 984,960,532.44
  5. Step 5: Solve for x
    x = 984,960,532.44/30,434.64
  6. Step 6: Final answer
    x = 32,363.14

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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.