Home / 34,291.15-47,318.18-19,948.28

Finding the Fourth Proportional to 34,291.15, 47,318.18 and 19,948.28

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Solution

The fourth proportional to 34,291.15, 47,318.18 and 19,948.28 is: 27,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.15 : 47,318.18 = 19,948.28 : x
  2. Step 2: Convert to fraction form
    34,291.15/47,318.18 = 19,948.28/x
  3. Step 3: Cross multiply
    34,291.15x = 47,318.18 × 19,948.28
  4. Step 4: Simplify right side
    34,291.15x = 943,915,967.40
  5. Step 5: Solve for x
    x = 943,915,967.40/34,291.15
  6. Step 6: Final answer
    x = 27,526.52

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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.