Home / 54,632.97-81,931.23-21,344.40

Finding the Fourth Proportional to 54,632.97, 81,931.23 and 21,344.40

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Solution

The fourth proportional to 54,632.97, 81,931.23 and 21,344.40 is: 32,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,632.97 : 81,931.23 = 21,344.40 : x
  2. Step 2: Convert to fraction form
    54,632.97/81,931.23 = 21,344.40/x
  3. Step 3: Cross multiply
    54,632.97x = 81,931.23 × 21,344.40
  4. Step 4: Simplify right side
    54,632.97x = 1,748,772,945.61
  5. Step 5: Solve for x
    x = 1,748,772,945.61/54,632.97
  6. Step 6: Final answer
    x = 32,009.48

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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.