Home / 49,001.32-67,628.28-47,666.98

Finding the Fourth Proportional to 49,001.32, 67,628.28 and 47,666.98

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Solution

The fourth proportional to 49,001.32, 67,628.28 and 47,666.98 is: 65,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,001.32 : 67,628.28 = 47,666.98 : x
  2. Step 2: Convert to fraction form
    49,001.32/67,628.28 = 47,666.98/x
  3. Step 3: Cross multiply
    49,001.32x = 67,628.28 × 47,666.98
  4. Step 4: Simplify right side
    49,001.32x = 3,223,635,870.19
  5. Step 5: Solve for x
    x = 3,223,635,870.19/49,001.32
  6. Step 6: Final answer
    x = 65,786.71

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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.