Home / 52,089.04-71,878.61-29,430

Finding the Fourth Proportional to 52,089.04, 71,878.61 and 29,430

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Solution

The fourth proportional to 52,089.04, 71,878.61 and 29,430 is: 40,610.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.04 : 71,878.61 = 29,430 : x
  2. Step 2: Convert to fraction form
    52,089.04/71,878.61 = 29,430/x
  3. Step 3: Cross multiply
    52,089.04x = 71,878.61 × 29,430
  4. Step 4: Simplify right side
    52,089.04x = 2,115,387,565.88
  5. Step 5: Solve for x
    x = 2,115,387,565.88/52,089.04
  6. Step 6: Final answer
    x = 40,610.99

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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.