Home / 53,030.70-79,372.96-38,987.01

Finding the Fourth Proportional to 53,030.70, 79,372.96 and 38,987.01

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Solution

The fourth proportional to 53,030.70, 79,372.96 and 38,987.01 is: 58,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.70 : 79,372.96 = 38,987.01 : x
  2. Step 2: Convert to fraction form
    53,030.70/79,372.96 = 38,987.01/x
  3. Step 3: Cross multiply
    53,030.70x = 79,372.96 × 38,987.01
  4. Step 4: Simplify right side
    53,030.70x = 3,094,514,385.25
  5. Step 5: Solve for x
    x = 3,094,514,385.25/53,030.70
  6. Step 6: Final answer
    x = 58,353.26

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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.