Home / 38,430.90-57,642.03-10,353.03

Finding the Fourth Proportional to 38,430.90, 57,642.03 and 10,353.03

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Solution

The fourth proportional to 38,430.90, 57,642.03 and 10,353.03 is: 15,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.90 : 57,642.03 = 10,353.03 : x
  2. Step 2: Convert to fraction form
    38,430.90/57,642.03 = 10,353.03/x
  3. Step 3: Cross multiply
    38,430.90x = 57,642.03 × 10,353.03
  4. Step 4: Simplify right side
    38,430.90x = 596,769,665.85
  5. Step 5: Solve for x
    x = 596,769,665.85/38,430.90
  6. Step 6: Final answer
    x = 15,528.38

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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.