Home / 34,409.99-47,476.71-19,870.61

Finding the Fourth Proportional to 34,409.99, 47,476.71 and 19,870.61

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Solution

The fourth proportional to 34,409.99, 47,476.71 and 19,870.61 is: 27,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,409.99 : 47,476.71 = 19,870.61 : x
  2. Step 2: Convert to fraction form
    34,409.99/47,476.71 = 19,870.61/x
  3. Step 3: Cross multiply
    34,409.99x = 47,476.71 × 19,870.61
  4. Step 4: Simplify right side
    34,409.99x = 943,390,951.11
  5. Step 5: Solve for x
    x = 943,390,951.11/34,409.99
  6. Step 6: Final answer
    x = 27,416.20

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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.