Home / 34,113.40-47,052.40-19,969.08

Finding the Fourth Proportional to 34,113.40, 47,052.40 and 19,969.08

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Solution

The fourth proportional to 34,113.40, 47,052.40 and 19,969.08 is: 27,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,113.40 : 47,052.40 = 19,969.08 : x
  2. Step 2: Convert to fraction form
    34,113.40/47,052.40 = 19,969.08/x
  3. Step 3: Cross multiply
    34,113.40x = 47,052.40 × 19,969.08
  4. Step 4: Simplify right side
    34,113.40x = 939,593,139.79
  5. Step 5: Solve for x
    x = 939,593,139.79/34,113.40
  6. Step 6: Final answer
    x = 27,543.23

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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.