Home / 51,331.68-70,838.88-30,126.24

Finding the Fourth Proportional to 51,331.68, 70,838.88 and 30,126.24

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Solution

The fourth proportional to 51,331.68, 70,838.88 and 30,126.24 is: 41,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331.68 : 70,838.88 = 30,126.24 : x
  2. Step 2: Convert to fraction form
    51,331.68/70,838.88 = 30,126.24/x
  3. Step 3: Cross multiply
    51,331.68x = 70,838.88 × 30,126.24
  4. Step 4: Simplify right side
    51,331.68x = 2,134,109,100.21
  5. Step 5: Solve for x
    x = 2,134,109,100.21/51,331.68
  6. Step 6: Final answer
    x = 41,574.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.