Home / 53,320.78-73,574.22-30,655.36

Finding the Fourth Proportional to 53,320.78, 73,574.22 and 30,655.36

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Solution

The fourth proportional to 53,320.78, 73,574.22 and 30,655.36 is: 42,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.78 : 73,574.22 = 30,655.36 : x
  2. Step 2: Convert to fraction form
    53,320.78/73,574.22 = 30,655.36/x
  3. Step 3: Cross multiply
    53,320.78x = 73,574.22 × 30,655.36
  4. Step 4: Simplify right side
    53,320.78x = 2,255,444,200.82
  5. Step 5: Solve for x
    x = 2,255,444,200.82/53,320.78
  6. Step 6: Final answer
    x = 42,299.54

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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.