Home / 42,723.39-64,085.08-11,558.64

Finding the Fourth Proportional to 42,723.39, 64,085.08 and 11,558.64

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Solution

The fourth proportional to 42,723.39, 64,085.08 and 11,558.64 is: 17,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.39 : 64,085.08 = 11,558.64 : x
  2. Step 2: Convert to fraction form
    42,723.39/64,085.08 = 11,558.64/x
  3. Step 3: Cross multiply
    42,723.39x = 64,085.08 × 11,558.64
  4. Step 4: Simplify right side
    42,723.39x = 740,736,159.72
  5. Step 5: Solve for x
    x = 740,736,159.72/42,723.39
  6. Step 6: Final answer
    x = 17,337.96

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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.