Home / 34,061.72-46,999.68-21,313.40

Finding the Fourth Proportional to 34,061.72, 46,999.68 and 21,313.40

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Solution

The fourth proportional to 34,061.72, 46,999.68 and 21,313.40 is: 29,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.72 : 46,999.68 = 21,313.40 : x
  2. Step 2: Convert to fraction form
    34,061.72/46,999.68 = 21,313.40/x
  3. Step 3: Cross multiply
    34,061.72x = 46,999.68 × 21,313.40
  4. Step 4: Simplify right side
    34,061.72x = 1,001,722,979.71
  5. Step 5: Solve for x
    x = 1,001,722,979.71/34,061.72
  6. Step 6: Final answer
    x = 29,409.05

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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.