Home / 42,670.24-64,004.08-11,507.36

Finding the Fourth Proportional to 42,670.24, 64,004.08 and 11,507.36

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Solution

The fourth proportional to 42,670.24, 64,004.08 and 11,507.36 is: 17,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.24 : 64,004.08 = 11,507.36 : x
  2. Step 2: Convert to fraction form
    42,670.24/64,004.08 = 11,507.36/x
  3. Step 3: Cross multiply
    42,670.24x = 64,004.08 × 11,507.36
  4. Step 4: Simplify right side
    42,670.24x = 736,517,990.03
  5. Step 5: Solve for x
    x = 736,517,990.03/42,670.24
  6. Step 6: Final answer
    x = 17,260.69

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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.