Home / 30,270.48-41,756.72-19,348.16

Finding the Fourth Proportional to 30,270.48, 41,756.72 and 19,348.16

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Solution

The fourth proportional to 30,270.48, 41,756.72 and 19,348.16 is: 26,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.48 : 41,756.72 = 19,348.16 : x
  2. Step 2: Convert to fraction form
    30,270.48/41,756.72 = 19,348.16/x
  3. Step 3: Cross multiply
    30,270.48x = 41,756.72 × 19,348.16
  4. Step 4: Simplify right side
    30,270.48x = 807,915,699.64
  5. Step 5: Solve for x
    x = 807,915,699.64/30,270.48
  6. Step 6: Final answer
    x = 26,689.89

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1.5x scale

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.