Home / 34,987.57-48,281.02-19,878.13

Finding the Fourth Proportional to 34,987.57, 48,281.02 and 19,878.13

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Solution

The fourth proportional to 34,987.57, 48,281.02 and 19,878.13 is: 27,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.57 : 48,281.02 = 19,878.13 : x
  2. Step 2: Convert to fraction form
    34,987.57/48,281.02 = 19,878.13/x
  3. Step 3: Cross multiply
    34,987.57x = 48,281.02 × 19,878.13
  4. Step 4: Simplify right side
    34,987.57x = 959,736,392.09
  5. Step 5: Solve for x
    x = 959,736,392.09/34,987.57
  6. Step 6: Final answer
    x = 27,430.78

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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.