Home / 34,869.60-48,124.08-20,722.32

Finding the Fourth Proportional to 34,869.60, 48,124.08 and 20,722.32

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Solution

The fourth proportional to 34,869.60, 48,124.08 and 20,722.32 is: 28,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.60 : 48,124.08 = 20,722.32 : x
  2. Step 2: Convert to fraction form
    34,869.60/48,124.08 = 20,722.32/x
  3. Step 3: Cross multiply
    34,869.60x = 48,124.08 × 20,722.32
  4. Step 4: Simplify right side
    34,869.60x = 997,242,585.47
  5. Step 5: Solve for x
    x = 997,242,585.47/34,869.60
  6. Step 6: Final answer
    x = 28,599.20

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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.