Home / 40,348.12-55,673.99-22,443.07

Finding the Fourth Proportional to 40,348.12, 55,673.99 and 22,443.07

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Solution

The fourth proportional to 40,348.12, 55,673.99 and 22,443.07 is: 30,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.12 : 55,673.99 = 22,443.07 : x
  2. Step 2: Convert to fraction form
    40,348.12/55,673.99 = 22,443.07/x
  3. Step 3: Cross multiply
    40,348.12x = 55,673.99 × 22,443.07
  4. Step 4: Simplify right side
    40,348.12x = 1,249,495,142.53
  5. Step 5: Solve for x
    x = 1,249,495,142.53/40,348.12
  6. Step 6: Final answer
    x = 30,967.87

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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.