Home / 47,070.13-64,940.53-30,084.31

Finding the Fourth Proportional to 47,070.13, 64,940.53 and 30,084.31

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Solution

The fourth proportional to 47,070.13, 64,940.53 and 30,084.31 is: 41,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070.13 : 64,940.53 = 30,084.31 : x
  2. Step 2: Convert to fraction form
    47,070.13/64,940.53 = 30,084.31/x
  3. Step 3: Cross multiply
    47,070.13x = 64,940.53 × 30,084.31
  4. Step 4: Simplify right side
    47,070.13x = 1,953,691,111.30
  5. Step 5: Solve for x
    x = 1,953,691,111.30/47,070.13
  6. Step 6: Final answer
    x = 41,505.97

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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.