Home / 53,041.20-79,574.16-19,761.36

Finding the Fourth Proportional to 53,041.20, 79,574.16 and 19,761.36

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Solution

The fourth proportional to 53,041.20, 79,574.16 and 19,761.36 is: 29,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,041.20 : 79,574.16 = 19,761.36 : x
  2. Step 2: Convert to fraction form
    53,041.20/79,574.16 = 19,761.36/x
  3. Step 3: Cross multiply
    53,041.20x = 79,574.16 × 19,761.36
  4. Step 4: Simplify right side
    53,041.20x = 1,572,493,622.46
  5. Step 5: Solve for x
    x = 1,572,493,622.46/53,041.20
  6. Step 6: Final answer
    x = 29,646.64

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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.