Home / 30,567.48-45,864.78-19,471.29

Finding the Fourth Proportional to 30,567.48, 45,864.78 and 19,471.29

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Solution

The fourth proportional to 30,567.48, 45,864.78 and 19,471.29 is: 29,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.48 : 45,864.78 = 19,471.29 : x
  2. Step 2: Convert to fraction form
    30,567.48/45,864.78 = 19,471.29/x
  3. Step 3: Cross multiply
    30,567.48x = 45,864.78 × 19,471.29
  4. Step 4: Simplify right side
    30,567.48x = 893,046,432.17
  5. Step 5: Solve for x
    x = 893,046,432.17/30,567.48
  6. Step 6: Final answer
    x = 29,215.57

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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.