Home / 47,721.60-71,501.12-31,056.32

Finding the Fourth Proportional to 47,721.60, 71,501.12 and 31,056.32

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Solution

The fourth proportional to 47,721.60, 71,501.12 and 31,056.32 is: 46,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.60 : 71,501.12 = 31,056.32 : x
  2. Step 2: Convert to fraction form
    47,721.60/71,501.12 = 31,056.32/x
  3. Step 3: Cross multiply
    47,721.60x = 71,501.12 × 31,056.32
  4. Step 4: Simplify right side
    47,721.60x = 2,220,561,663.08
  5. Step 5: Solve for x
    x = 2,220,561,663.08/47,721.60
  6. Step 6: Final answer
    x = 46,531.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.