Home / 42,193.29-63,296.42-12,607.77

Finding the Fourth Proportional to 42,193.29, 63,296.42 and 12,607.77

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Solution

The fourth proportional to 42,193.29, 63,296.42 and 12,607.77 is: 18,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,193.29 : 63,296.42 = 12,607.77 : x
  2. Step 2: Convert to fraction form
    42,193.29/63,296.42 = 12,607.77/x
  3. Step 3: Cross multiply
    42,193.29x = 63,296.42 × 12,607.77
  4. Step 4: Simplify right side
    42,193.29x = 798,026,642.14
  5. Step 5: Solve for x
    x = 798,026,642.14/42,193.29
  6. Step 6: Final answer
    x = 18,913.59

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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.