Home / 42,006.18-62,987.38-19,813.58

Finding the Fourth Proportional to 42,006.18, 62,987.38 and 19,813.58

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Solution

The fourth proportional to 42,006.18, 62,987.38 and 19,813.58 is: 29,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.18 : 62,987.38 = 19,813.58 : x
  2. Step 2: Convert to fraction form
    42,006.18/62,987.38 = 19,813.58/x
  3. Step 3: Cross multiply
    42,006.18x = 62,987.38 × 19,813.58
  4. Step 4: Simplify right side
    42,006.18x = 1,248,005,492.62
  5. Step 5: Solve for x
    x = 1,248,005,492.62/42,006.18
  6. Step 6: Final answer
    x = 29,710.04

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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.