Home / 47,888.01-71,856.32-19,828.80

Finding the Fourth Proportional to 47,888.01, 71,856.32 and 19,828.80

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Solution

The fourth proportional to 47,888.01, 71,856.32 and 19,828.80 is: 29,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.01 : 71,856.32 = 19,828.80 : x
  2. Step 2: Convert to fraction form
    47,888.01/71,856.32 = 19,828.80/x
  3. Step 3: Cross multiply
    47,888.01x = 71,856.32 × 19,828.80
  4. Step 4: Simplify right side
    47,888.01x = 1,424,824,498.87
  5. Step 5: Solve for x
    x = 1,424,824,498.87/47,888.01
  6. Step 6: Final answer
    x = 29,753.26

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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.