Home / 42,933.11-64,408.77-12,948.26

Finding the Fourth Proportional to 42,933.11, 64,408.77 and 12,948.26

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Solution

The fourth proportional to 42,933.11, 64,408.77 and 12,948.26 is: 19,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,933.11 : 64,408.77 = 12,948.26 : x
  2. Step 2: Convert to fraction form
    42,933.11/64,408.77 = 12,948.26/x
  3. Step 3: Cross multiply
    42,933.11x = 64,408.77 × 12,948.26
  4. Step 4: Simplify right side
    42,933.11x = 833,981,178.20
  5. Step 5: Solve for x
    x = 833,981,178.20/42,933.11
  6. Step 6: Final answer
    x = 19,425.13

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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.