Home / 53,360.05-73,642.58-30,700.03

Finding the Fourth Proportional to 53,360.05, 73,642.58 and 30,700.03

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Solution

The fourth proportional to 53,360.05, 73,642.58 and 30,700.03 is: 42,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.05 : 73,642.58 = 30,700.03 : x
  2. Step 2: Convert to fraction form
    53,360.05/73,642.58 = 30,700.03/x
  3. Step 3: Cross multiply
    53,360.05x = 73,642.58 × 30,700.03
  4. Step 4: Simplify right side
    53,360.05x = 2,260,829,261.78
  5. Step 5: Solve for x
    x = 2,260,829,261.78/53,360.05
  6. Step 6: Final answer
    x = 42,369.32

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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.