Home / 34,988.19-48,281.89-19,878.76

Finding the Fourth Proportional to 34,988.19, 48,281.89 and 19,878.76

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Solution

The fourth proportional to 34,988.19, 48,281.89 and 19,878.76 is: 27,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,988.19 : 48,281.89 = 19,878.76 : x
  2. Step 2: Convert to fraction form
    34,988.19/48,281.89 = 19,878.76/x
  3. Step 3: Cross multiply
    34,988.19x = 48,281.89 × 19,878.76
  4. Step 4: Simplify right side
    34,988.19x = 959,783,762.85
  5. Step 5: Solve for x
    x = 959,783,762.85/34,988.19
  6. Step 6: Final answer
    x = 27,431.65

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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.