Home / 51,040.53-70,437.38-30,901.05

Finding the Fourth Proportional to 51,040.53, 70,437.38 and 30,901.05

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Solution

The fourth proportional to 51,040.53, 70,437.38 and 30,901.05 is: 42,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.53 : 70,437.38 = 30,901.05 : x
  2. Step 2: Convert to fraction form
    51,040.53/70,437.38 = 30,901.05/x
  3. Step 3: Cross multiply
    51,040.53x = 70,437.38 × 30,901.05
  4. Step 4: Simplify right side
    51,040.53x = 2,176,588,846.74
  5. Step 5: Solve for x
    x = 2,176,588,846.74/51,040.53
  6. Step 6: Final answer
    x = 42,644.32

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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.