Home / 51,358.86-70,880.79-30,141.18

Finding the Fourth Proportional to 51,358.86, 70,880.79 and 30,141.18

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Solution

The fourth proportional to 51,358.86, 70,880.79 and 30,141.18 is: 41,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,358.86 : 70,880.79 = 30,141.18 : x
  2. Step 2: Convert to fraction form
    51,358.86/70,880.79 = 30,141.18/x
  3. Step 3: Cross multiply
    51,358.86x = 70,880.79 × 30,141.18
  4. Step 4: Simplify right side
    51,358.86x = 2,136,430,649.93
  5. Step 5: Solve for x
    x = 2,136,430,649.93/51,358.86
  6. Step 6: Final answer
    x = 41,598.09

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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.