Home / 34,220.51-47,223.81-19,113.39

Finding the Fourth Proportional to 34,220.51, 47,223.81 and 19,113.39

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Solution

The fourth proportional to 34,220.51, 47,223.81 and 19,113.39 is: 26,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.51 : 47,223.81 = 19,113.39 : x
  2. Step 2: Convert to fraction form
    34,220.51/47,223.81 = 19,113.39/x
  3. Step 3: Cross multiply
    34,220.51x = 47,223.81 × 19,113.39
  4. Step 4: Simplify right side
    34,220.51x = 902,606,849.05
  5. Step 5: Solve for x
    x = 902,606,849.05/34,220.51
  6. Step 6: Final answer
    x = 26,376.19

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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.