Home / 65,838.47-90,859.39-37,165.07

Finding the Fourth Proportional to 65,838.47, 90,859.39 and 37,165.07

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Solution

The fourth proportional to 65,838.47, 90,859.39 and 37,165.07 is: 51,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,838.47 : 90,859.39 = 37,165.07 : x
  2. Step 2: Convert to fraction form
    65,838.47/90,859.39 = 37,165.07/x
  3. Step 3: Cross multiply
    65,838.47x = 90,859.39 × 37,165.07
  4. Step 4: Simplify right side
    65,838.47x = 3,376,795,723.74
  5. Step 5: Solve for x
    x = 3,376,795,723.74/65,838.47
  6. Step 6: Final answer
    x = 51,289.10

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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.