Home / 52,110.32-78,164.91-12,667.47

Finding the Fourth Proportional to 52,110.32, 78,164.91 and 12,667.47

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Solution

The fourth proportional to 52,110.32, 78,164.91 and 12,667.47 is: 19,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.32 : 78,164.91 = 12,667.47 : x
  2. Step 2: Convert to fraction form
    52,110.32/78,164.91 = 12,667.47/x
  3. Step 3: Cross multiply
    52,110.32x = 78,164.91 × 12,667.47
  4. Step 4: Simplify right side
    52,110.32x = 990,151,543.57
  5. Step 5: Solve for x
    x = 990,151,543.57/52,110.32
  6. Step 6: Final answer
    x = 19,001.07

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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.