Home / 70,239.86-96,927.94-40,031.72

Finding the Fourth Proportional to 70,239.86, 96,927.94 and 40,031.72

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Solution

The fourth proportional to 70,239.86, 96,927.94 and 40,031.72 is: 55,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,239.86 : 96,927.94 = 40,031.72 : x
  2. Step 2: Convert to fraction form
    70,239.86/96,927.94 = 40,031.72/x
  3. Step 3: Cross multiply
    70,239.86x = 96,927.94 × 40,031.72
  4. Step 4: Simplify right side
    70,239.86x = 3,880,192,154.26
  5. Step 5: Solve for x
    x = 3,880,192,154.26/70,239.86
  6. Step 6: Final answer
    x = 55,242.03

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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.