Home / 34,152.35-47,130.05-19,045.20

Finding the Fourth Proportional to 34,152.35, 47,130.05 and 19,045.20

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Solution

The fourth proportional to 34,152.35, 47,130.05 and 19,045.20 is: 26,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.35 : 47,130.05 = 19,045.20 : x
  2. Step 2: Convert to fraction form
    34,152.35/47,130.05 = 19,045.20/x
  3. Step 3: Cross multiply
    34,152.35x = 47,130.05 × 19,045.20
  4. Step 4: Simplify right side
    34,152.35x = 897,601,133.03
  5. Step 5: Solve for x
    x = 897,601,133.03/34,152.35
  6. Step 6: Final answer
    x = 26,282.27

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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.