Home / 42,767.91-64,151.88-11,603.16

Finding the Fourth Proportional to 42,767.91, 64,151.88 and 11,603.16

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Solution

The fourth proportional to 42,767.91, 64,151.88 and 11,603.16 is: 17,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.91 : 64,151.88 = 11,603.16 : x
  2. Step 2: Convert to fraction form
    42,767.91/64,151.88 = 11,603.16/x
  3. Step 3: Cross multiply
    42,767.91x = 64,151.88 × 11,603.16
  4. Step 4: Simplify right side
    42,767.91x = 744,364,527.94
  5. Step 5: Solve for x
    x = 744,364,527.94/42,767.91
  6. Step 6: Final answer
    x = 17,404.74

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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.