Home / 34,987.23-48,280.55-19,877.79

Finding the Fourth Proportional to 34,987.23, 48,280.55 and 19,877.79

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Solution

The fourth proportional to 34,987.23, 48,280.55 and 19,877.79 is: 27,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.23 : 48,280.55 = 19,877.79 : x
  2. Step 2: Convert to fraction form
    34,987.23/48,280.55 = 19,877.79/x
  3. Step 3: Cross multiply
    34,987.23x = 48,280.55 × 19,877.79
  4. Step 4: Simplify right side
    34,987.23x = 959,710,609.14
  5. Step 5: Solve for x
    x = 959,710,609.14/34,987.23
  6. Step 6: Final answer
    x = 27,430.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.