Home / 34,702.68-47,888.82-19,389.35

Finding the Fourth Proportional to 34,702.68, 47,888.82 and 19,389.35

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Solution

The fourth proportional to 34,702.68, 47,888.82 and 19,389.35 is: 26,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.68 : 47,888.82 = 19,389.35 : x
  2. Step 2: Convert to fraction form
    34,702.68/47,888.82 = 19,389.35/x
  3. Step 3: Cross multiply
    34,702.68x = 47,888.82 × 19,389.35
  4. Step 4: Simplify right side
    34,702.68x = 928,533,092.07
  5. Step 5: Solve for x
    x = 928,533,092.07/34,702.68
  6. Step 6: Final answer
    x = 26,756.81

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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.