Home / 47,547.77-71,259.80-19,435.68

Finding the Fourth Proportional to 47,547.77, 71,259.80 and 19,435.68

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Solution

The fourth proportional to 47,547.77, 71,259.80 and 19,435.68 is: 29,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,547.77 : 71,259.80 = 19,435.68 : x
  2. Step 2: Convert to fraction form
    47,547.77/71,259.80 = 19,435.68/x
  3. Step 3: Cross multiply
    47,547.77x = 71,259.80 × 19,435.68
  4. Step 4: Simplify right side
    47,547.77x = 1,384,982,572.49
  5. Step 5: Solve for x
    x = 1,384,982,572.49/47,547.77
  6. Step 6: Final answer
    x = 29,128.24

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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.