Home / 38,430.48-57,625.76-18,146.08

Finding the Fourth Proportional to 38,430.48, 57,625.76 and 18,146.08

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Solution

The fourth proportional to 38,430.48, 57,625.76 and 18,146.08 is: 27,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.48 : 57,625.76 = 18,146.08 : x
  2. Step 2: Convert to fraction form
    38,430.48/57,625.76 = 18,146.08/x
  3. Step 3: Cross multiply
    38,430.48x = 57,625.76 × 18,146.08
  4. Step 4: Simplify right side
    38,430.48x = 1,045,681,651.02
  5. Step 5: Solve for x
    x = 1,045,681,651.02/38,430.48
  6. Step 6: Final answer
    x = 27,209.70

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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.