Home / 40,799.99-56,262.65-38,418.89

Finding the Fourth Proportional to 40,799.99, 56,262.65 and 38,418.89

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Solution

The fourth proportional to 40,799.99, 56,262.65 and 38,418.89 is: 52,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.99 : 56,262.65 = 38,418.89 : x
  2. Step 2: Convert to fraction form
    40,799.99/56,262.65 = 38,418.89/x
  3. Step 3: Cross multiply
    40,799.99x = 56,262.65 × 38,418.89
  4. Step 4: Simplify right side
    40,799.99x = 2,161,548,088.05
  5. Step 5: Solve for x
    x = 2,161,548,088.05/40,799.99
  6. Step 6: Final answer
    x = 52,979.14

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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.