Home / 53,320.28-73,591.43-30,657.49

Finding the Fourth Proportional to 53,320.28, 73,591.43 and 30,657.49

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Solution

The fourth proportional to 53,320.28, 73,591.43 and 30,657.49 is: 42,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.28 : 73,591.43 = 30,657.49 : x
  2. Step 2: Convert to fraction form
    53,320.28/73,591.43 = 30,657.49/x
  3. Step 3: Cross multiply
    53,320.28x = 73,591.43 × 30,657.49
  4. Step 4: Simplify right side
    53,320.28x = 2,256,128,192.04
  5. Step 5: Solve for x
    x = 2,256,128,192.04/53,320.28
  6. Step 6: Final answer
    x = 42,312.76

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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.