Home / 64,316.36-96,507.45-30,620.51

Finding the Fourth Proportional to 64,316.36, 96,507.45 and 30,620.51

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Solution

The fourth proportional to 64,316.36, 96,507.45 and 30,620.51 is: 45,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,316.36 : 96,507.45 = 30,620.51 : x
  2. Step 2: Convert to fraction form
    64,316.36/96,507.45 = 30,620.51/x
  3. Step 3: Cross multiply
    64,316.36x = 96,507.45 × 30,620.51
  4. Step 4: Simplify right side
    64,316.36x = 2,955,107,337.80
  5. Step 5: Solve for x
    x = 2,955,107,337.80/64,316.36
  6. Step 6: Final answer
    x = 45,946.43

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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.