Home / 42,320.86-58,421.40-29,623.92

Finding the Fourth Proportional to 42,320.86, 58,421.40 and 29,623.92

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Solution

The fourth proportional to 42,320.86, 58,421.40 and 29,623.92 is: 40,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.86 : 58,421.40 = 29,623.92 : x
  2. Step 2: Convert to fraction form
    42,320.86/58,421.40 = 29,623.92/x
  3. Step 3: Cross multiply
    42,320.86x = 58,421.40 × 29,623.92
  4. Step 4: Simplify right side
    42,320.86x = 1,730,670,879.89
  5. Step 5: Solve for x
    x = 1,730,670,879.89/42,320.86
  6. Step 6: Final answer
    x = 40,894.04

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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.