Home / 34,490.48-47,597.30-20,878.35

Finding the Fourth Proportional to 34,490.48, 47,597.30 and 20,878.35

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Solution

The fourth proportional to 34,490.48, 47,597.30 and 20,878.35 is: 28,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,490.48 : 47,597.30 = 20,878.35 : x
  2. Step 2: Convert to fraction form
    34,490.48/47,597.30 = 20,878.35/x
  3. Step 3: Cross multiply
    34,490.48x = 47,597.30 × 20,878.35
  4. Step 4: Simplify right side
    34,490.48x = 993,753,088.46
  5. Step 5: Solve for x
    x = 993,753,088.46/34,490.48
  6. Step 6: Final answer
    x = 28,812.39

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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.