Home / 53,045.69-79,543.01-30,864.04

Finding the Fourth Proportional to 53,045.69, 79,543.01 and 30,864.04

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Solution

The fourth proportional to 53,045.69, 79,543.01 and 30,864.04 is: 46,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.69 : 79,543.01 = 30,864.04 : x
  2. Step 2: Convert to fraction form
    53,045.69/79,543.01 = 30,864.04/x
  3. Step 3: Cross multiply
    53,045.69x = 79,543.01 × 30,864.04
  4. Step 4: Simplify right side
    53,045.69x = 2,455,018,520.66
  5. Step 5: Solve for x
    x = 2,455,018,520.66/53,045.69
  6. Step 6: Final answer
    x = 46,281.21

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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.