Home / 47,962.05-66,157.72-30,959.74

Finding the Fourth Proportional to 47,962.05, 66,157.72 and 30,959.74

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Solution

The fourth proportional to 47,962.05, 66,157.72 and 30,959.74 is: 42,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,962.05 : 66,157.72 = 30,959.74 : x
  2. Step 2: Convert to fraction form
    47,962.05/66,157.72 = 30,959.74/x
  3. Step 3: Cross multiply
    47,962.05x = 66,157.72 × 30,959.74
  4. Step 4: Simplify right side
    47,962.05x = 2,048,225,810.19
  5. Step 5: Solve for x
    x = 2,048,225,810.19/47,962.05
  6. Step 6: Final answer
    x = 42,705.13

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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.