Home / 45,430.12-62,678.96-27,519.40

Finding the Fourth Proportional to 45,430.12, 62,678.96 and 27,519.40

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Solution

The fourth proportional to 45,430.12, 62,678.96 and 27,519.40 is: 37,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.12 : 62,678.96 = 27,519.40 : x
  2. Step 2: Convert to fraction form
    45,430.12/62,678.96 = 27,519.40/x
  3. Step 3: Cross multiply
    45,430.12x = 62,678.96 × 27,519.40
  4. Step 4: Simplify right side
    45,430.12x = 1,724,887,371.82
  5. Step 5: Solve for x
    x = 1,724,887,371.82/45,430.12
  6. Step 6: Final answer
    x = 37,967.92

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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.