Home / 53,219.79-73,440.81-30,543.03

Finding the Fourth Proportional to 53,219.79, 73,440.81 and 30,543.03

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Solution

The fourth proportional to 53,219.79, 73,440.81 and 30,543.03 is: 42,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219.79 : 73,440.81 = 30,543.03 : x
  2. Step 2: Convert to fraction form
    53,219.79/73,440.81 = 30,543.03/x
  3. Step 3: Cross multiply
    53,219.79x = 73,440.81 × 30,543.03
  4. Step 4: Simplify right side
    53,219.79x = 2,243,104,863.05
  5. Step 5: Solve for x
    x = 2,243,104,863.05/53,219.79
  6. Step 6: Final answer
    x = 42,147.95

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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.