Home / 47,528.48-71,278.32-19,820

Finding the Fourth Proportional to 47,528.48, 71,278.32 and 19,820

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Solution

The fourth proportional to 47,528.48, 71,278.32 and 19,820 is: 29,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,528.48 : 71,278.32 = 19,820 : x
  2. Step 2: Convert to fraction form
    47,528.48/71,278.32 = 19,820/x
  3. Step 3: Cross multiply
    47,528.48x = 71,278.32 × 19,820
  4. Step 4: Simplify right side
    47,528.48x = 1,412,736,302.40
  5. Step 5: Solve for x
    x = 1,412,736,302.40/47,528.48
  6. Step 6: Final answer
    x = 29,724.00

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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.